CMCSA (Comcast Corp)

Historical IV Rank & Volatility Regime

IV Rank measures where CMCSA's current 30-day implied volatility sits in its trailing 90-day distribution (0% = lowest in 90 days, 100% = highest). It's the most reliable signal for whether options on CMCSA are priced rich or cheap relative to its own recent regime.

Market data may be delayed, incomplete, or inaccurate. Not a recommendation to buy, sell, or hold any security. Verify quotes with your broker before trading. See Terms §17.

CMCSA IV Rank Summary
Current
38%
Subdued — neutral to long-vol
30-Day Avg
58%
60-Day Avg
50%
90-Day Avg
46%
90-Day Low
10%
90-Day High
100%
IV Rank is bounded 0%–100% by construction. Sustained levels above 75% historically precede mean reversion in CMCSA's implied vol; sustained sub-25% readings often coincide with low-realized regimes ahead of catalyst events. See the Vol Arb Screener for symbols where current IV rank diverges most from realized volatility.
CMCSA IV Rank — Last 90 Trading Days
DateIV RankAvg IV
20260723 38% 0.5%
20260722 39% 0.5%
20260721 29% 0.5%
20260720 27% 0.5%
20260716 65% 0.6%
20260715 40% 0.5%
20260714 62% 0.6%
20260713 50% 0.6%
20260710 52% 0.6%
20260709 54% 0.6%
20260708 100% 0.8%
20260707 74% 0.7%
20260706 73% 0.7%
20260702 41% 0.5%
20260701 70% 0.6%
20260630 50% 0.6%
20260629 56% 0.6%
20260626 68% 0.6%
20260625 76% 0.7%
20260624 60% 0.6%
20260623 57% 0.6%
20260622 64% 0.6%
20260618 88% 0.8%
20260617 81% 0.7%
20260616 74% 0.7%
20260615 81% 0.7%
20260613 51% 0.6%
20260612 45% 0.6%
20260611 40% 0.5%
20260610 34% 0.5%
20260609 50% 0.6%
20260608 41% 0.5%
20260605 64% 0.6%
20260604 38% 0.5%
20260603 45% 0.6%
20260602 44% 0.6%
20260601 39% 0.5%
20260529 30% 0.5%
20260528 16% 0.4%
20260527 41% 0.5%
20260526 30% 0.5%
20260522 63% 0.6%
20260521 64% 0.6%
20260520 49% 0.6%
20260519 68% 0.7%
20260518 65% 0.6%
20260515 42% 0.5%
20260514 31% 0.5%
20260513 10% 0.4%
20260512 43% 0.6%
20260511 23% 0.5%
20260510 29% 0.5%
20260508 52% 0.6%
20260507 47% 0.6%
20260506 36% 0.5%
20260505 20% 0.4%
20260504 31% 0.5%
20260502 42% 0.5%
20260501 41% 0.5%
20260430 35% 0.5%
20260429 29% 0.5%
20260428 42% 0.5%
20260427 24% 0.5%
20260424 47% 0.6%
20260423 41% 0.5%
20260422 27% 0.5%
20260421 37% 0.5%
20260420 37% 0.5%
20260417 31% 0.5%
20260416 31% 0.5%
20260415 30% 0.5%
20260414 28% 0.5%
20260413 22% 0.5%
20260410 32% 0.5%
20260409 25% 0.5%
20260408 35% 0.5%
20260407 27% 0.5%
20260406 31% 0.5%
20260402 40% 0.5%
20260401 36% 0.5%
20260331 34% 0.5%
20260330 32% 0.5%
20260327 55% 0.6%
20260326 42% 0.6%
20260325 42% 0.5%
20260324 43% 0.6%
20260323 43% 0.6%
20260320 84% 0.7%
20260319 78% 0.7%
20260318 87% 0.7%