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

MDB Grade A Options Flow

76 Grade A institutional flow signals on MDB, 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 MDB Grade A signals have closed

BIG_WIN

WIN

SMALL_WIN

LOSS

BIG_LOSS

EXPIRED

SCRATCH

DTE Performance

Where MDB Grade A signals perform

1-5 DTE

85.7%

6 / 7 closed

6-30 DTE

33.3%

7 / 21 closed

30+ DTE

47.8%

11 / 23 closed

Extremes

Best and worst Grade A MDB closures

Best winner

+72.2%

Single Grade A MDB trade return

Worst loser

-90.7%

DTE-based exit rule capped the loss

Recent Grade A MDB 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

$5M+ calls · block 1m

Jul 15, 2026

-25.3%

LOSS

$5M+ calls · block 1m

Jul 15, 2026

-20.9%

LOSS

$1M+ puts · sweep

Jul 14, 2026

-22.2%

LOSS

$5M+ calls · block 1m

Jul 8, 2026

-27.3%

LOSS

$10M+ calls · block 1m

Jul 8, 2026

-26.8%

DAILY FLOW BRIEF

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

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Related TECH Grade A

Grade A performance on related tech tickers

MU Grade A →SNDK Grade A →NVDA Grade A →AMD Grade A →META 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 →.