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Quant Daily — 20 Oct 2026

BTC market structure · 2026-10-20 UTC

BTC: $82,964

├ 50MA: $81,580 ✅

├ 200MA: $72,683 ✅

├ Realized: $53,486 (MVRV 1.55)

├ STH cost basis: $74,488

├ LTH cost basis: $48,735

├ RSI (weekly): 56.5

├ IBIT cost basis: $81,734

├ MSTR cost basis: $75,385

├ Production cost: $74,447

├ BTC/Gold: 20.1 oz

└ Fear & Greed: 55 (Greed)

ETF 5d +363M$ / 20d +1245M$ · CME fwd 1/4 LONG (mild long tilt) · CLLD 1d +0.25

CSP / CC(where selling puts / calls is structurally favourable)

Week    78000/90000
Month   75000/95000
Quarter 60000/100000

Weekly

Weekly (Oct 23) gamma: Deribit −7.2M — dealers still short gamma, but it's been shrinking two sessions (−14.5 → −8.4 → −7.2M); IBIT +14.4M, total book long gamma. Spot 83.0k is above the weekly flip 82.6k for the first time in two weeks (the flip kept sliding after price: 83.05 → 82.8 → 82.6k) — moves get dampened above it, but gamma mass and max pain sit at 82k and pull there.

Walls: call 90k (thin OI), put 78k — biggest weekly strike (2.1k), same on IBIT (78.3k). IBIT: call wall 85.5k, max pain and gamma 82.8k — right at spot.

Session flow: Deribit −276 (70k puts taken off, small adds at 83k/76k/78k), 54% of OI below spot; IBIT +10.5k contracts, built at 83.7k/81.9k/81.0k/82.8k — tight around price, 41% above spot.

Weekly charm −3.5M (gross, unchanged) — sign reflects OI weight below spot. IBIT vs BTC: put 78k and max pain 82–82.8k agree; IBIT caps closer (85.5k vs 90k) and its gamma at 82.8k smooths the chop.

Total

Total-book DEX +3.33B — up a second day (2.88 → 3.31 → 3.33B), the Oct 15 dip (1.9B) is recovered. Total flip 79.7k, max pain 79k, book long gamma. Vol premium is thin: DVOL at the 28th percentile of the year — short vol pays little here, tail risk unchanged.

Week ahead (beta)

108 days of history. Honest check: yesterday's 78–86k chop holds — 81,928 → 82,964, day 10 inside 81–83.6k, but first time in two weeks above the weekly flip 82.6k, sitting on the 82.9k zone (gamma + magnet, score 3, already tested); the 82.8–83k upside trigger is touched, not confirmed. Yesterday's Coinbase discount flag (weaker next day) technically played out (Oct 19 −0.2%, quiet) but spot is higher today.

Base case into Oct 23 expiry: 78,000–86,000 range, core 81–84k — chop around 82–83k (BTC max pain 82k + gamma mass, IBIT max pain 82.8k; IBIT is building exactly 81.9–83.7k). Deribit weekly gamma short but shrinking, spot above flip — moves softer than last week, pin at 82–83k into Friday strengthens; IBIT and total book long gamma. Board prices <1% odds of −10% by Friday. Backdrop leans slightly up: ETF flows back to inflow (5d and 20d positive), CME weak long tilt, DEX up a second day; liquidations near flat (slight long-liq tilt). Slow trend still up.

Upside trigger: hold above 83–83.7k (IBIT builds there) opens 85–85.5k (monthly gamma 85k + IBIT call wall), then 88k (quarterly call wall) and 90k — week's ceiling, no air above.

Downside trigger: losing 82k and 81.9k (MA50 + IBIT cost basis, score-4 zone) leads to 80.5k, 79.5k (flip + max pain + OI, score 3 fresh, total flip 79.7k) and 78k (put wall on both venues, 77.9k fresh zone); break of 78k → 75.1k (cost basis + gamma + max pain, fresh) and the monthly frame (max pain 78k, put wall 70k).

Alternative: fourth attempt in two weeks to clear 83k fades back to 82k into expiry — as on Oct 7 and Oct 14. The 82–87k shelf is on day 23, spot at its floor. Beta.

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Structure derived from deterministic market data. Not investment advice.