Grade A · Historical Performance·Data as of Jul 20, 2026

COST Grade A Options Flow

9 Grade A institutional flow signals on COST, captured via the live OPRA tape with CBOE Rule 6.11 sweep detection and Black-Scholes-Merton Greeks. Methodology at /methodology.

Total Grade A

Closed positions

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Outcome breakdown

How COST Grade A signals have closed

BIG_WIN

WIN

SMALL_WIN

LOSS

BIG_LOSS

EXPIRED

SCRATCH

DTE Performance

Where COST Grade A signals perform

1-5 DTE

75%

3 / 4 closed

6-30 DTE

0 / 1 closed

30+ DTE

75%

3 / 4 closed

Extremes

Best and worst Grade A COST closures

Best winner

+49.7%

Single Grade A COST trade return

Worst loser

-62.0%

DTE-based exit rule capped the loss

Recent Grade A COST activity

Last 5 Grade A prints

Size-bucketed for public view. Exact strikes, expirations, and entry premiums are visible only in the live scanner.

LOSS

$1M+ puts · block 1m

Jul 16, 2026

-25.3%

WIN

$1M+ calls · sweep

Jul 13, 2026

+49.7%

DAILY FLOW BRIEF

Yesterday's institutional flow. Every weekday at 8:45 AM ET.

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Related CONSUMER Grade A

Grade A performance on related consumer tickers

TSLA Grade A →AMZN Grade A →NFLX Grade A →BABA Grade A →SPOT Grade A →

Methodology. Grade A signals pass the institutional-flow filter pipeline: institutional premium floor, contract-level volume baseline, aggressive fill detection, market-maker filtering, opening-position classification. See /methodology for the full data methodology. Exit rules are DTE-based: 0DTE +20%/-20%, 1-5 DTE +25%/-25%, 6-30 DTE +40%/-30%, 30+ DTE +30%/-30%. See the full data methodology →.