■ 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 — 18.5 — is the max pain price.
Open interest by strike · Wed, Sep 16
■ calls (up)■ puts (down)VIX open contracts per strike for Wed, Sep 16.
Open-interest change · 2026-09-10 → 2026-09-11
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. Biggest moves: 17 −25K · 35 +21K · 18 +20K · 22 +20K
Volume by strike · Wed, Sep 16
■ calls (up)■ puts (down)Today's traded contracts per strike (delayed).
Implied volatility by strike · Wed, Sep 16
— call IV— put IVATM ≈ 79.0% · Quoted strikes only; illiquid wings with junk fits are dropped, not smoothed.
Gamma exposure by strike · Wed, Sep 16
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 · Wed, Sep 16
Call Δ
Call Θ
Strike
Γ
Vega
Put Θ
Put Δ
0.98
-0.01
14
0.0271
0.00
-0.01
-0.01
0.97
-0.01
14.5
0.0491
0.00
-0.01
-0.03
0.93
-0.02
15
0.1036
0.00
-0.02
-0.07
0.85
-0.03
15.5
0.1791
0.01
-0.03
-0.15
0.73
-0.05
16
0.2432
0.01
-0.05
-0.27
0.58
-0.06
16.5
0.2671
0.01
-0.06
-0.41
0.46
-0.07
17
0.2459
0.01
-0.07
-0.54
0.36
-0.07
17.5
0.2084
0.01
-0.07
-0.64
0.29
-0.07
18
0.1724
0.01
-0.07
-0.71
0.24
-0.07
18.5
0.1431
0.01
-0.07
-0.76
0.21
-0.07
19
0.1202
0.01
-0.07
-0.79
0.18
-0.07
19.5
0.1023
0.01
-0.07
-0.82
Quoted contract greeks from the delayed feed (not modeled here); the highlighted row is nearest to spot. Showing 12 strikes around the money — all 54 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.