{"key":"f6-rival-vanish","mechanism":"rival-side number-to-None transition: cancel resting own orders and suppress new orders on affected side(s)","spreads_acted":[1,2,3,4],"approach":"Blind append-only subclass of MA; call super first; use only StepState and overlay-owned state. Infer s once from the first callback quote pair. An initially missing side is ineligible. Preserve MA actions unchanged outside s=1..4. Cancel affected resting orders before retained actions, remove duplicate cancels and affected placements. Tune three variants by paired target-spread mean, then freeze one before independent holdout.","tried":[{"name":"one_callback","suppression_callbacks":1,"cancel_both_sides":false},{"name":"two_callbacks","suppression_callbacks":2,"cancel_both_sides":false},{"name":"both_sides","suppression_callbacks":1,"cancel_both_sides":true}],"next":"Do not promote on this screen. The holdout is negative.","overlay_code":"_IncumbentStrategy = Strategy\nclass Strategy(_IncumbentStrategy):\n    def __init__(self):\n        super().__init__()\n        self._rv_first = True\n        self._rv_spread = None\n        self._rv_prev = (None, None)\n        self._rv_until = [-1, -1]\n        self._rv_callback = -1\n\n    def on_step(self, state):\n        actions = super().on_step(state)\n        from orderbook_pm_challenge.types import PlaceOrder, CancelOrder, Side\n        self._rv_callback += 1\n        quotes = (state.competitor_best_bid_ticks,\n                  state.competitor_best_ask_ticks)\n        if self._rv_first:\n            self._rv_first = False\n            if quotes[0] is not None and quotes[1] is not None:\n                self._rv_spread = max(1, (quotes[1] - quotes[0] + 1) // 2)\n        vanished = [self._rv_prev[i] is not None and quotes[i] is None\n                    for i in range(2)]\n        self._rv_prev = quotes\n        if self._rv_spread not in (1, 2, 3, 4):\n            return actions\n        if False and any(vanished):\n            vanished = [True, True]\n        for i in range(2):\n            if vanished[i]:\n                self._rv_until[i] = self._rv_callback + 1 - 1\n        blocked = {side for i, side in enumerate((Side.BUY, Side.SELL))\n                   if self._rv_until[i] >= self._rv_callback}\n        if not blocked:\n            return actions\n        cancel_ids = {order.order_id for order in state.own_orders\n                      if order.side in blocked}\n        cancels = [CancelOrder(order.order_id) for order in state.own_orders\n                   if order.order_id in cancel_ids]\n        return cancels + [action for action in actions\n                          if not (isinstance(action, PlaceOrder) and action.side in blocked)\n                          and not (isinstance(action, CancelOrder)\n                                   and action.order_id in cancel_ids)]\n","overlay_sha256":"fbc8e398a7d0c9454880930f15ebf6eb655d53563ff795f2b88fd8a57c0c5375","code_sha256":"23b4d438dc5942f0c97b85f636a5bdc1f5fef0ab5b92139ccce38c9009156820","base_sha256":"5d1bd5272884f513b19f0e66a7c235f6c188a08e4f7787ac9346f1614dda3ed3","check_values":[{"seed":310000,"expected":17.116002,"actual":17.1160017503,"match_6dp":true},{"seed":310001,"expected":23.820392,"actual":23.8203924577,"match_6dp":true},{"seed":310002,"expected":2.376144,"actual":2.3761435866,"match_6dp":true},{"seed":310003,"expected":243.87214,"actual":243.8721397061,"match_6dp":true}],"python_version":"3.12.3","tuning":{"seeds":{"start":340200,"end":340399,"n":200},"variants":[{"name":"one_callback","code_sha256":"23b4d438dc5942f0c97b85f636a5bdc1f5fef0ab5b92139ccce38c9009156820","mean_diff":0.20038196734899968,"se":0.23920438758100412,"by_spread":{"1":{"n":54,"sum_d":38.53892106399997,"sum_d2":1952.85769884767,"mean_diff":0.7136837234074069,"se":0.8202011603591165,"base_mean":54.31923403679815,"retail_diff":-1.284188144405554,"arb_diff":1.997871867825926},"2":{"n":55,"sum_d":8.207958634400093,"sum_d2":61.842412149687824,"mean_diff":0.14923561153454715,"se":0.1428633266758826,"base_mean":70.71131757361454,"retail_diff":-0.1071152061436363,"arb_diff":0.25635081768181733},"3":{"n":48,"sum_d":6.239642318899969,"sum_d2":20.368237256715048,"mean_diff":0.129992548310416,"se":0.09310714641828471,"base_mean":79.60048705849792,"retail_diff":-0.001393999685416795,"arb_diff":0.1313865479937498},"4":{"n":43,"sum_d":-12.910128547500097,"sum_d2":250.2680520261871,"mean_diff":-0.30023554761628135,"se":0.36936386345698363,"base_mean":200.4405312755395,"retail_diff":-0.36341643279069696,"arb_diff":0.06318088517441899}}},{"name":"two_callbacks","code_sha256":"171996200d80bcb82788ccabf553de722a1e5b5cc3672388c72ca1261afab737","mean_diff":0.1870135110079998,"se":0.2404073619916351,"by_spread":{"1":{"n":54,"sum_d":38.71741054819998,"sum_d2":1968.0589523958802,"mean_diff":0.7169890842259256,"se":0.8233784843337698,"base_mean":54.31923403679815,"retail_diff":-1.3105768777055555,"arb_diff":2.0275659619370376},"2":{"n":55,"sum_d":5.836654848900034,"sum_d2":68.094442474597,"mean_diff":0.10612099725272789,"se":0.15072780877189076,"base_mean":70.71131757361454,"retail_diff":-0.11080601187454571,"arb_diff":0.21692700912545448},"3":{"n":48,"sum_d":5.976279417199954,"sum_d2":20.55605635996281,"mean_diff":0.1245058211916657,"se":0.09371181204133129,"base_mean":79.60048705849792,"retail_diff":-0.0016257276999998016,"arb_diff":0.126131548897917},"4":{"n":43,"sum_d":-13.127642612700004,"sum_d2":250.55420748059504,"mean_diff":-0.3052940142488373,"se":0.36947960828119536,"base_mean":200.4405312755395,"retail_diff":-0.3705672638418618,"arb_diff":0.06527324959302346}}},{"name":"both_sides","code_sha256":"008856bb8d208560a538fe964cc1abd14719617ec510f4e74409aef2ca68a0fb","mean_diff":-1.8236880532735,"se":0.7160490861509206,"by_spread":{"1":{"n":54,"sum_d":-232.89068622759996,"sum_d2":17857.86924693752,"mean_diff":-4.312790485696295,"se":2.4266644572846747,"base_mean":54.31923403679815,"retail_diff":-5.115359207011111,"arb_diff":0.8025687213240743},"2":{"n":55,"sum_d":-40.70794520829999,"sum_d2":310.664069812492,"mean_diff":-0.7401444583327271,"se":0.3073369430299512,"base_mean":70.71131757361454,"retail_diff":-0.9115730283218181,"arb_diff":0.17142856998545386},"3":{"n":48,"sum_d":-9.851269307699976,"sum_d2":306.0305392884305,"mean_diff":-0.2052347772437495,"se":0.3670907743668043,"base_mean":79.60048705849792,"retail_diff":-0.17951244983541592,"arb_diff":-0.02572232742708161},"4":{"n":43,"sum_d":-81.2877099111001,"sum_d2":2597.1102594392814,"mean_diff":-1.8904118583976766,"se":1.1631674327317392,"base_mean":200.4405312755395,"retail_diff":-0.593200870181398,"arb_diff":-1.2972109882441856}}}],"selected":"one_callback"},"paired":{"seeds":{"start":450000,"end":450499},"n":500,"complete":true,"missing_seeds":[],"failures":[],"overall":{"n":500,"sum_d":-360.32720716040046,"sum_d2":45651.20639186674,"mean_diff":-0.7206544143208009,"se":0.4265325309958225,"base_mean":106.77992531608679,"retail_diff":-0.6164349291565996,"arb_diff":-0.10421948516299989},"by_spread":{"1":{"n":124,"sum_d":-321.46646083750016,"sum_d2":44036.276385140874,"mean_diff":-2.5924714583669366,"se":1.6830343119459412,"base_mean":52.178154051575,"retail_diff":-2.0919650374274186,"arb_diff":-0.5005064209322584},"2":{"n":143,"sum_d":-14.787557530000113,"sum_d2":683.6726676430613,"mean_diff":-0.103409493216784,"se":0.1832844749283935,"base_mean":88.61320954304685,"retail_diff":-0.06485495209510429,"arb_diff":-0.03855454112307624},"3":{"n":111,"sum_d":-9.790935005999959,"sum_d2":674.3073769214767,"mean_diff":-0.0882066216756753,"se":0.23485122612603807,"base_mean":135.04550905697928,"retail_diff":-0.23268222107027056,"arb_diff":0.14447559939639626},"4":{"n":122,"sum_d":-14.282253786900238,"sum_d2":256.9499621613286,"mean_diff":-0.11706765399098557,"se":0.13150251844427485,"base_mean":157.85353348907952,"retail_diff":-0.11239192826967122,"arb_diff":-0.004675725723770368}},"off_target_zero":true,"per_seed":[[450000,1,0.0001474807000008127],[450001,1,0.0001756609000000001],[450002,3,0.026970620100001952],[450003,1,0.0004634983999998177],[450004,1,0.028655769800000286],[450005,1,0.528221607399999],[450006,1,9.999999999998899e-05],[450007,1,0.020925320199999986],[450008,4,0.00029498879999678707],[450009,1,0.021615707800002326],[450010,2,0.8267281409000002],[450011,4,0.000363733800000432],[450012,2,0.00013220070000041773],[450013,1,-3.0343268155999965],[450014,2,0.4755659371999741],[450015,1,-0.003402074099999819],[450016,2,0.00016641019999941165],[450017,2,0.00026150750000120127],[450018,2,-0.002762280300000697],[450019,4,-0.9887914201000285],[450020,3,0.2746541468999908],[450021,2,-18.893432770600043],[450022,3,0.00013921529999993965],[450023,4,0.02356381999999968],[450024,2,0.02652622669999971],[450025,2,0.13554963920000773],[450026,1,0.018778324299999927],[450027,4,0.0],[450028,2,0.00020443719999718724],[450029,4,0.0046637517999954525],[450030,1,-0.006075678299999998],[450031,4,0.39041549920000307],[450032,1,9.470109999654142e-05],[450033,4,0.0918619976000059],[450034,4,0.0014853389999984756],[450035,4,0.00030875039999500586],[450036,1,-143.07002715599998],[450037,4,0.00018692899999450674],[450038,2,0.000432926699999836],[450039,3,0.00030000000000995897],[450040,2,7.429290000082744e-05],[450041,2,0.0],[450042,4,0.01047836470000263],[450043,2,0.00015025689999959013],[450044,4,-0.06971843070000006],[450045,4,0.0004897494000033475],[450046,1,0.11758231529999819],[450047,1,0.005004402900000038],[450048,2,3.897631742899989],[450049,3,1.526332453000009],[450050,2,0.00012382759999951531],[450051,2,0.2896107151000251],[450052,1,0.0],[450053,3,0.00031108139999957984],[450054,3,0.00036232400000102416],[450055,2,0.0062894697000004385],[450056,1,-0.004520674500000044],[450057,2,-0.006233301900000043],[450058,1,9.725480000000175e-05],[450059,2,0.1100247225000004],[450060,3,7.869861223599997],[450061,3,9.776230001534714e-05],[450062,2,0.0],[450063,1,-0.0011923392000001698],[450064,3,0.35755158569998],[450065,1,0.00016820139999995654],[450066,4,-3.177661386500006],[450067,3,0.02072414100000053],[450068,3,0.00018157500000270943],[450069,4,0.08176930080000488],[450070,3,0.004747265200000683],[450071,3,-0.0013945499999987732],[450072,1,0.5915634459000003],[450073,1,0.33258965470000135],[450074,3,0.2192578979000075],[450075,4,0.0114393427999957],[450076,1,0.07376433359999979],[450077,1,-3.0737618138000045],[450078,4,0.04262434070000154],[450079,1,4.348510000001804e-05],[450080,2,0.0032715715000009027],[450081,2,4.5547300000947644e-05],[450082,4,0.46815954400000237],[450083,3,0.08936280109992367],[450084,3,-0.19819800549998945],[450085,4,3.7448171995000052],[450086,1,0.3118234768000008],[450087,2,2.239333687200002],[450088,2,0.03928014519999934],[450089,2,0.0002583466000203316],[450090,1,0.005477273800000071],[450091,4,0.133364643500002],[450092,4,0.6078142996999958],[450093,1,9.245800000001747e-05],[450094,1,0.0006762833000000107],[450095,2,9.381559999965816e-05],[450096,3,0.00010173169999916354],[450097,4,0.05133592850000923],[450098,3,0.012005318900000006],[450099,3,0.00022810239999770943],[450100,4,0.30828939130000776],[450101,1,0.44355374340000253],[450102,1,0.4386774841999852],[450103,3,-0.05611679579999418],[450104,2,0.11563826949998202],[450105,1,0.03876835990000005],[450106,1,0.4451184995999995],[450107,1,0.0003046313999996997],[450108,2,1.057794395299993],[450109,2,0.0],[450110,3,0.015699532600010002],[450111,2,0.04796214180000291],[450112,1,2.122409999572028e-05],[450113,1,0.33513320069999963],[450114,4,0.000350347699992426],[450115,3,0.0003208964999998898],[450116,1,0.0025615958000000036],[450117,1,1.2208900000088008e-05],[450118,2,0.00023575710000001138],[450119,2,1.3440223679000098],[450120,4,0.0003374983000021814],[450121,3,0.0004474664000042594],[450122,2,0.00013711939999438982],[450123,2,0.00019720600000017185],[450124,1,9.344890000001493e-05],[450125,3,0.054402653500005727],[450126,1,0.006928547600000279],[450127,4,0.00021055679999903987],[450128,4,0.18784124880000164],[450129,2,0.9895804925999983],[450130,4,0.0049953468999994755],[450131,4,0.00039775749999648724],[450132,1,1.688359999718614e-05],[450133,2,0.2078164897999999],[450134,3,-0.26219830710000736],[450135,4,0.3858192822999911],[450136,4,-0.09356409230002782],[450137,4,-0.0021605598999983044],[450138,2,0.14473205859999894],[450139,2,0.00017855720000015118],[450140,3,0.0002237244999996335],[450141,1,0.7144392229000012],[450142,1,2.8024399999992955e-05],[450143,2,0.4316407909999498],[450144,2,0.002612453800000303],[450145,1,9.114399999954337e-06],[450146,2,0.10768064380000197],[450147,2,1.1867375725000073],[450148,2,0.0001245251000003833],[450149,2,0.0007991594999996465],[450150,3,0.00037071539999899983],[450151,2,-0.0400746684999973],[450152,4,-0.000767438299995149],[450153,1,4.1656000000001026e-05],[450154,4,0.27970220560000314],[450155,2,0.08076739310000036],[450156,4,0.08588536689998705],[450157,4,-3.261461589400028],[450158,1,1.2519899999841044e-05],[450159,4,0.0002008049999915329],[450160,3,0.000207360499999254],[450161,2,0.00014204520002181198],[450162,2,0.00023685800000095014],[450163,2,0.8036394814000118],[450164,3,-0.1537314943000183],[450165,3,0.0007216493000044011],[450166,2,0.0777901576000204],[450167,1,3.3617703287000005],[450168,2,0.025409330200000024],[450169,4,-0.0009152037000035307],[450170,4,0.00028533040000411347],[450171,1,0.013550994099999998],[450172,4,-0.08415690559999689],[450173,1,0.001754225300000023],[450174,4,0.6387866270000018],[450175,4,0.004528098100003319],[450176,1,0.003068993900000011],[450177,4,0.0029586526999985097],[450178,2,0.5687167853999995],[450179,4,0.0],[450180,4,0.00015853989999925489],[450181,2,-0.037443105900003104],[450182,2,0.0002046973000062735],[450183,2,0.0],[450184,2,0.06874073299999994],[450185,4,0.8802746568999282],[450186,1,6.695200000000207e-05],[450187,1,1.5504999999998992e-05],[450188,4,0.990946032599993],[450189,2,0.0008056117000005969],[450190,4,0.0010321353999955818],[450191,3,0.0003767319000000102],[450192,3,0.006330451200000198],[450193,4,-0.0004945278999990421],[450194,4,0.0004019738000025086],[450195,3,0.16177750600002128],[450196,4,0.47645023540002285],[450197,1,0.34836331720000047],[450198,2,0.0007360311000006448],[450199,3,0.0004865758999983427],[450200,1,6.682660000034701e-05],[450201,1,0.3624579162999986],[450202,1,-0.4116853918000061],[450203,1,8.816795003899983],[450204,4,0.07020600850000136],[450205,3,0.00039594540000109646],[450206,3,0.0],[450207,4,0.08270135009999535],[450208,4,0.008493398199998836],[450209,1,0.00029857269999999936],[450210,3,-4.103727475899973],[450211,2,-3.720277699700002],[450212,2,0.3382896165999796],[450213,2,0.6959351613999729],[450214,1,0.0],[450215,2,-1.7464903751000236],[450216,1,3.615214359099994],[450217,3,0.003179147600000931],[450218,3,0.02510664449999922],[450219,1,9.492320000004106e-05],[450220,1,-3.1426308023000047],[450221,1,0.023569696900000103],[450222,1,0.052008288600000174],[450223,2,0.00010081050000021463],[450224,1,0.009458654699999958],[450225,1,0.00018915819999953953],[450226,4,0.0002276286000011396],[450227,1,0.6412713881999963],[450228,4,0.037627668799999014],[450229,2,0.09671394580000126],[450230,3,0.022992189900001847],[450231,4,0.0],[450232,1,0.5979450147999898],[450233,4,0.0],[450234,1,1.2377309369000002],[450235,3,0.01013846420000064],[450236,3,0.0007879506999977082],[450237,3,0.20597170700000333],[450238,4,0.11827776960000591],[450239,1,0.0004279996000000619],[450240,1,0.000977745099999927],[450241,3,0.0002954495999993867],[450242,4,-3.4769862005000505],[450243,2,-1.1811546301],[450244,1,0.40274523880000856],[450245,1,2.424750000001863e-05],[450246,3,0.00034259520000112786],[450247,1,0.15913642699999997],[450248,4,0.14055935100000738],[450249,2,0.0],[450250,4,0.08096774550000418],[450251,1,1.7403183023999986],[450252,2,0.22044774340000028],[450253,4,0.01155460609999892],[450254,2,-0.1288340499999947],[450255,2,0.0002123608999990978],[450256,2,0.006536946299999791],[450257,2,0.12337595749999863],[450258,2,0.07061057920000025],[450259,4,0.022056089999978212],[450260,1,0.412426643200007],[450261,1,1.0804960556999958],[450262,1,1.422809999999941e-05],[450263,4,0.010898078899998609],[450264,1,0.022497180100000236],[450265,4,0.0],[450266,3,0.08797482549999813],[450267,3,0.24831713019997892],[450268,3,0.00041948530000013307],[450269,2,0.257738677399999],[450270,4,-0.1931120721999946],[450271,2,0.0037834971000023643],[450272,2,-0.24292843400000663],[450273,2,0.010886620999997376],[450274,2,0.00018460099999906276],[450275,4,0.00042400259999908485],[450276,3,0.23418152680000048],[450277,4,0.07152732620001245],[450278,3,0.014338354700001332],[450279,2,0.000300000000000189],[450280,1,1.2969799998430176e-05],[450281,3,0.17814308580000215],[450282,3,0.013150811600002754],[450283,3,-0.028638296599979185],[450284,2,0.0029542942999993826],[450285,1,0.006118003799999994],[450286,2,0.3689595820999898],[450287,3,0.00023355749999964814],[450288,4,0.00026633450000090875],[450289,3,-1.7721643768999797],[450290,4,0.0003307449000011786],[450291,3,0.00011577169999910097],[450292,2,1.9438600000754036e-05],[450293,3,-0.6635798928000014],[450294,2,-0.09900174240000048],[450295,4,1.1473493008999753],[450296,2,0.017384020799998012],[450297,4,0.3304256971000541],[450298,4,-0.22229761610003607],[450299,3,0.0011931086999990015],[450300,1,3.748870000000459e-05],[450301,2,0.40979965449999156],[450302,1,2.2010199999922264e-05],[450303,4,0.010372251899994467],[450304,3,0.002067963000000006],[450305,1,0.10292197540000014],[450306,4,0.0005328547000118533],[450307,3,0.0],[450308,4,0.2529237098999886],[450309,2,8.313099982615313e-06],[450310,4,0.00024967119999530496],[450311,1,6.679900000000627e-06],[450312,4,0.0019077116000012495],[450313,2,0.00032942989999895644],[450314,3,0.09464757319999961],[450315,4,0.18047908940002344],[450316,3,0.00029550400000033505],[450317,2,0.0005099505999996978],[450318,4,-0.05965971170000017],[450319,3,0.0012838590000043837],[450320,3,0.00033085409999955573],[450321,3,0.00016805399999952897],[450322,1,0.7569850618999681],[450323,2,0.00010645289999899887],[450324,3,4.759163324700012],[450325,2,5.394000002212351e-07],[450326,4,0.0006556668999984083],[450327,1,0.006989105399999973],[450328,2,0.017260747000001686],[450329,4,0.0],[450330,3,0.00038877740000131666],[450331,3,0.00034855410000034226],[450332,2,0.686585330000014],[450333,1,9.03763999999807e-05],[450334,4,2.741308129999993],[450335,1,9.072100000007133e-05],[450336,3,0.0],[450337,3,0.17651278089999778],[450338,2,6.095020000174145e-05],[450339,4,0.00013885939999624952],[450340,2,0.13473527900000093],[450341,2,0.08749176390000013],[450342,2,0.05388728800000031],[450343,1,0.20877665780000143],[450344,3,0.14502007170000297],[450345,2,0.050122625800000264],[450346,3,0.17981969090000405],[450347,3,0.5583036354000228],[450348,4,1.0028318116000037],[450349,2,0.00027598659999839015],[450350,2,0.13963616999998862],[450351,2,0.0001528820000018527],[450352,3,0.14767122639999997],[450353,3,0.00022014700000028142],[450354,2,-0.00010346779998826605],[450355,4,0.00036093509999801654],[450356,1,-5.149370205100013],[450357,3,-23.545419891899968],[450358,1,0.31241114689998994],[450359,2,0.019590011300000043],[450360,2,0.016378847700003973],[450361,3,0.0001816403999974625],[450362,2,0.05868645019999974],[450363,2,-8.493740000048433e-05],[450364,2,0.05147823910000682],[450365,2,0.021831095599999628],[450366,2,0.005257475600000561],[450367,4,0.023658035400003996],[450368,2,0.2543083944000024],[450369,3,0.03314481199998909],[450370,2,0.0024798871999998084],[450371,2,0.009901781800000009],[450372,4,0.00266234949999955],[450373,2,0.00010454990000141606],[450374,3,0.028853601400001594],[450375,3,0.0005784603999998694],[450376,3,0.00027344789999972363],[450377,3,3.0976909981000063],[450378,1,5.686900000689832e-06],[450379,3,0.0012887634999998454],[450380,4,0.0003968149000002086],[450381,1,1.1172928102],[450382,2,0.0003552502999966123],[450383,2,0.0003377528000001462],[450384,1,-0.010929102499999566],[450385,1,8.126300000022013e-06],[450386,4,0.2793442694999726],[450387,1,0.0003047090000000141],[450388,4,0.02038298899998381],[450389,1,9.453169999998345e-05],[450390,1,0.00781651020000007],[450391,4,0.0002870197999982338],[450392,1,8.083579999995649e-05],[450393,4,0.41557598239998583],[450394,3,0.19957909490000247],[450395,1,1.547719999983599e-05],[450396,3,0.007364326600001192],[450397,3,0.0006214805999995576],[450398,2,0.9587640093999994],[450399,2,0.14684292250000652],[450400,4,0.1491296873000465],[450401,3,0.0073259892999999465],[450402,3,0.00022444799999732368],[450403,3,0.0017855190999966908],[450404,4,0.054513989999975365],[450405,4,-12.4896245825],[450406,3,0.305249615799994],[450407,2,-0.0031610003000004383],[450408,4,0.14397637449999934],[450409,1,0.02062509329999998],[450410,2,0.023567455999998543],[450411,2,0.01654180100000069],[450412,3,0.13213454039999561],[450413,1,0.6729443413999974],[450414,1,0.226008252299998],[450415,4,0.549971360699999],[450416,1,0.007148149699999995],[450417,1,9.245800000001747e-05],[450418,2,0.014977956900000144],[450419,3,0.0006492618000066841],[450420,2,0.0002876542999956655],[450421,2,0.00015214060000001695],[450422,2,0.008105762199999589],[450423,2,6.0940099999129416e-05],[450424,2,0.16846493250000005],[450425,2,0.07607342659999983],[450426,3,0.0003762054999896236],[450427,1,0.014198078700000002],[450428,2,0.1353187180999953],[450429,2,0.5049766916000067],[450430,3,0.0003437045000005412],[450431,2,-15.862130344999969],[450432,3,0.00041645029999948235],[450433,4,0.0009770267000002164],[450434,1,0.0029594416000000012],[450435,1,-0.18867407790000001],[450436,4,-0.04834562569999434],[450437,3,-0.0005614985999997657],[450438,2,0.0],[450439,1,0.0003058912000000191],[450440,4,-5.321482177000007],[450441,3,0.00026349260000202435],[450442,4,-6.384810000525931e-05],[450443,4,0.0004654375000008315],[450444,2,5.087828315400003],[450445,4,0.0],[450446,2,5.511790000056749e-05],[450447,1,1.6978199999961863e-05],[450448,2,0.00011631159998160001],[450449,2,-0.1504455560000011],[450450,1,-143.66414265060007],[450451,4,0.00032565139999007897],[450452,1,1.446130000000087e-05],[450453,4,0.0002875252000009709],[450454,4,0.004996312700001226],[450455,3,0.14758817850000128],[450456,2,0.0008874258000020063],[450457,1,0.08421077119999154],[450458,4,0.011666570600002757],[450459,3,0.0004176284000010355],[450460,4,0.012216463600012162],[450461,2,0.1056850173000008],[450462,3,0.06631428259998984],[450463,3,0.16370998339999687],[450464,1,0.00026483399999976953],[450465,1,-52.50803864660003],[450466,1,4.161559999999939e-05],[450467,3,0.0016982351000009999],[450468,2,0.0],[450469,1,1.0392986786000051],[450470,1,0.012659345799999944],[450471,4,0.30935790780000616],[450472,1,8.58152999994033e-05],[450473,2,-0.005952937900000066],[450474,4,-3.2008744311999635],[450475,4,-0.21417670639999642],[450476,4,0.0007630219999974486],[450477,1,0.0018949865999999815],[450478,4,-0.0011937693000021454],[450479,4,0.00041172859999960565],[450480,3,0.0002123557999951231],[450481,4,0.1926080619999766],[450482,2,0.11526836539999863],[450483,3,-1.3036052109000025],[450484,3,0.0940543231000106],[450485,3,0.04682845590002671],[450486,2,0.12147501309999953],[450487,4,0.008137989699974923],[450488,2,0.012730621599999381],[450489,3,0.07419133110000065],[450490,2,0.00027951900000000585],[450491,1,5.2248100018914556e-05],[450492,1,0.8108781196999999],[450493,4,0.00034515300000492743],[450494,3,0.0036737935999973104],[450495,3,0.00019209449999380013],[450496,3,0.12309999829994922],[450497,4,0.1985641477999991],[450498,2,0.28155200909998257],[450499,4,0.0032892308999947772]]},"worst_seeds":[{"seed":450450,"s":1,"d":-143.66414265060007},{"seed":450036,"s":1,"d":-143.07002715599998},{"seed":450465,"s":1,"d":-52.50803864660003},{"seed":450357,"s":3,"d":-23.545419891899968},{"seed":450021,"s":2,"d":-18.893432770600043}],"notes":"Simulator b244530ee2a6247b5f930830eeca9dd950da0e7e unmodified; defaults, 2000 steps; one process, no sandbox/workers. Each seed uses runner.sample_config and SimulationEngine for MA and each candidate, including off-target runs. All blocks contain 50 complete seeds. Tuning mean_diff/se use only s=1..4; holdout overall uses all 500 seeds. retail_diff and arb_diff are paired means. s is inferred from first visible quote pair; null means one side was initially absent and overlay is inactive. 0 off-target holdout pairs; off_target_zero is vacuous if zero. Synthetic checks cover off-target spreads 5/6. Suppression durations include the triggering callback. Synthetic checks passed. No reserved/finalist seeds used. MA remained opaque; only hash and check totals inspected. No promotion claimed. Whole-file reconstruction: exact MA UTF-8 bytes + two newline bytes + overlay_code UTF-8."}