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Weather Grade-Gated v3

weather by tinycorp archived · born 2026-05-22 · traded 2026-05-22 → 2026-06-16 · kalshi · bought YES

562 paper trades, lost $14.47, won 89% of them; the trades say it won often and lost big when it lost — the tail-seller shape.
562paper trades closed
−$14.47net, paper
89%trades that won
$-0.026per trade (expected value)
tail sellerthe shape of the loss

What it tried — Weather Grade-Gated v3

v3 layers a grade filter (A/A+ only) on top of the v2 fade gates. The grading function blends bracket-edge margin, RMK coverage, volume, and dewpoint distance into a single score. Production version runs $5/trade with $25/day cap.

The entry rule, as configured (sizing: flat, $5.0 a fill):

closes within (h)
18
closes no sooner than (h)
0.5
YES ask at most
0.92
YES ask at least
0.88

What its own trades say — Weather Grade-Gated v3

Loss concentrates in hour (UTC) 0 — 13 of 562 trades at $-1.086/trade vs $-0.026 overall.

Average entry price 0.896; an average win paid $0.58, an average loss cost $5.0. Arithmetic on the closed trades, no model involved.

By entry price

Entry priceTradesWonNetPer trade
0.8-1.056289%−$14.47$-0.026

Where the loss concentrated

SliceTradesNetPer tradeExcess loss vs the bot's average
hour (UTC) 013−$14.12$-1.086$-13.78
hour (UTC) 2163−$14.74$-0.234$-13.1
hour (UTC) 1516−$13.51$-0.844$-13.09
hour (UTC) 49−$11.23$-1.248$-11.0

Its five worst fills

MarketSideEntryResult
Will the minimum temperature be 80-81° on May 23, 2026?YES0.88−$5.00
Will the maximum temperature be 83-84° on May 23, 2026?YES0.89−$5.00
Will the maximum temperature be 67-68° on May 23, 2026?YES0.88−$5.00
Will the maximum temperature be 97-98° on May 23, 2026?YES0.9−$5.00
Will the minimum temperature be 47-48° on May 23, 2026?YES0.88−$5.00

Every version — Weather Grade-Gated v3

VersionStatusSnapshotChange
v1active2026-05-22initial version (backfilled)

Paper trades only — simulated fills at quoted prices, never money. The formula is archived, not deleted. Back to the Graveyard · What each signal means.