Event risk before this expiration:Jobs report Fri, Nov 6 — macro releases historically overwhelm pinning effects; max pain reads weakest in event weeks.
■ put-side pain■ call-side painTotal payout option writers would owe at each settle price (both sides, all open interest, ×100 shares) — low settles hurt put writers, high settles hurt call writers. The minimum — 525 — is the max pain price.
Open interest by strike · Mon, Nov 9
■ calls (up)■ puts (down)MSFT open contracts per strike for Mon, Nov 9.
Open-interest change · 2026-10-28 → 2026-10-29
Net contracts opened (up, green) or closed (down, red) per strike since the previous snapshot: where the walls are building and where they’re unwinding. Only strikes observed on both days are compared. Biggest moves: 530 +80 · 525 +54 · 520 +52 · 580 +41
Volume by strike · Mon, Nov 9
■ calls (up)■ puts (down)Today's traded contracts per strike (delayed).
Implied volatility by strike · Mon, Nov 9
— call IV— put IVATM ≈ 24.7% · Quoted strikes only; illiquid wings with junk fits are dropped, not smoothed.
Gamma exposure by strike · Mon, Nov 9
Net dealer gamma per strike, in dollars per 1% move, assuming the standard convention (dealers long calls, short puts) — an assumption, not an observation. Above the amber flip level hedging tends to dampen moves; below it, to amplify them.
Greeks by strike · Mon, Nov 9
Call Δ
Call Θ
Strike
Γ
Vega
Put Θ
Put Δ
0.92
-0.16
495
0.0056
0.14
-0.17
-0.08
0.89
-0.20
500
0.0071
0.17
-0.21
-0.11
0.86
-0.24
505
0.0089
0.21
-0.25
-0.14
0.81
-0.29
510
0.0110
0.25
-0.30
-0.19
0.75
-0.34
515
0.0131
0.29
-0.35
-0.25
0.68
-0.38
520
0.0149
0.33
-0.39
-0.32
0.60
-0.41
525
0.0163
0.36
-0.42
-0.40
0.52
-0.43
530
0.0170
0.37
-0.43
-0.48
0.44
-0.42
535
0.0169
0.36
-0.42
-0.57
0.35
-0.40
540
0.0160
0.34
-0.40
-0.65
0.28
-0.35
545
0.0145
0.31
-0.35
-0.72
0.21
-0.30
550
0.0126
0.27
-0.30
-0.79
0.16
-0.25
555
0.0104
0.23
-0.25
-0.85
0.12
-0.20
560
0.0084
0.18
-0.19
-0.89
0.08
-0.15
565
0.0064
0.14
-0.14
-0.93
Quoted contract greeks from the delayed feed (not modeled here); the highlighted row is nearest to spot. Showing 15 strikes around the money — all 30 are in the CSV. Δ per $1 of underlying · Θ per day · vega per IV point.
Stacked — layer the expirations
Call open interest per strike, stacked across the checked expirations — each color is one expiry. Strikes are pruned to the liquid center of each chain.
Max pain history — nearest expiry vs price
— max pain (nearest expiry)- - delayed closeOne point per snapshot day since 2026-07-28; unobserved days are gaps, not guesses.
Max pain is arithmetic, not prophecy: the settle price that would minimize what option writers pay out at expiration, computed from open interest alone. Prices sometimes gravitate toward heavy strikes into expiry — dealer hedging is a real flow — but the evidence that max pain predicts settlement better than chance is mixed, and we are not going to pretend otherwise. Use it as a map of where positioning is stacked, next to the fundamentals and the earnings calendar, not as a target.
Data: Cboe delayed public feed (~15 minutes), refreshed here about every 15 minutes. Open interest itself updates once daily, before the open. Educational information, not investment advice.