■ 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 — 65 — is the max pain price.
Open interest by strike · Fri, Nov 20
■ calls (up)■ puts (down)BBIO open contracts per strike for Fri, Nov 20.
Open-interest change — building vs unwinding
Needs two observed snapshot days for this expiration — the comparison appears automatically once the next weekday snapshot lands. We diff real observations only; nothing is estimated.
Volume by strike · Fri, Nov 20
■ calls (up)■ puts (down)Today's traded contracts per strike (delayed).
Implied volatility by strike · Fri, Nov 20
— call IV— put IVATM ≈ 47.5% · Quoted strikes only; illiquid wings with junk fits are dropped, not smoothed.
Gamma exposure by strike · Fri, Nov 20
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 · Fri, Nov 20
Call Δ
Call Θ
Strike
Γ
Vega
Put Θ
Put Δ
0.84
-0.02
62.5
0.0106
0.10
-0.03
-0.15
0.81
-0.03
65
0.0123
0.11
-0.03
-0.18
0.78
-0.03
67.5
0.0140
0.12
-0.03
-0.21
0.74
-0.03
70
0.0157
0.13
-0.03
-0.25
0.69
-0.03
72.5
0.0173
0.14
-0.04
-0.30
0.65
-0.04
75
0.0186
0.15
-0.04
-0.35
0.60
-0.04
77.5
0.0197
0.16
-0.04
-0.40
0.55
-0.04
80
0.0204
0.16
-0.04
-0.45
0.50
-0.04
82.5
0.0206
0.16
-0.04
-0.50
0.45
-0.04
85
0.0205
0.16
-0.04
-0.55
0.40
-0.04
87.5
0.0201
0.16
-0.04
-0.60
0.35
-0.04
90
0.0193
0.15
-0.04
-0.64
0.32
-0.04
92.5
0.0184
0.14
-0.03
-0.68
0.28
-0.03
95
0.0173
0.14
-0.03
-0.72
0.24
-0.03
97.5
0.0161
0.13
-0.03
-0.76
Quoted contract greeks from the delayed feed (not modeled here); the highlighted row is nearest to spot. Showing 15 strikes around the money — all 29 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 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.