GLIBK (Liberty Capital Corporation Series C GCI Group Common Stock)

Historical IV Rank & Volatility Regime

IV Rank measures where GLIBK'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 GLIBK 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.

GLIBK IV Rank Summary
Current
21%
Compressed — premium buying regime
30-Day Avg
16%
60-Day Avg
35%
90-Day Avg
35%
90-Day Low
3%
90-Day High
100%
IV Rank is bounded 0%–100% by construction. Sustained levels above 75% historically precede mean reversion in GLIBK'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.
GLIBK IV Rank — Last 90 Trading Days
DateIV RankAvg IV
20260626 21% 0.9%
20260625 21% 0.9%
20260624 19% 0.8%
20260623 14% 0.7%
20260622 17% 0.8%
20260618 27% 1.0%
20260617 17% 0.8%
20260616 14% 0.7%
20260615 11% 0.7%
20260613 10% 0.6%
20260612 19% 0.8%
20260611 23% 0.9%
20260610 18% 0.8%
20260609 19% 0.8%
20260608 17% 0.8%
20260605 17% 0.7%
20260604 18% 0.8%
20260603 9% 0.6%
20260602 18% 0.8%
20260601 30% 1.0%
20260529 17% 0.7%
20260528 25% 0.9%
20260527 10% 0.6%
20260526 10% 0.6%
20260522 15% 0.7%
20260521 10% 0.6%
20260520 9% 0.6%
20260519 3% 0.4%
20260518 10% 0.6%
20260515 8% 0.5%
20260514 11% 0.6%
20260513 8% 0.5%
20260512 7% 0.5%
20260511 8% 0.5%
20260510 8% 0.6%
20260508 9% 0.6%
20260507 3% 0.4%
20260506 13% 0.7%
20260505 12% 0.6%
20260504 12% 0.6%
20260502 99% 2.6%
20260501 95% 2.5%
20260430 95% 2.5%
20260429 100% 2.6%
20260428 100% 2.6%
20260427 100% 2.5%
20260424 78% 1.9%
20260423 93% 2.2%
20260422 81% 1.9%
20260421 87% 2.0%
20260420 100% 2.3%
20260417 73% 1.7%
20260416 85% 1.9%
20260415 82% 1.8%
20260414 89% 2.0%
20260413 100% 2.2%
20260410 18% 0.6%
20260409 19% 0.6%
20260408 26% 0.7%
20260407 23% 0.7%
20260406 20% 0.6%
20260402 27% 0.7%
20260401 59% 1.1%
20260331 44% 1.0%
20260330 44% 1.0%
20260327 34% 0.8%
20260326 21% 0.6%
20260325 33% 0.8%
20260324 37% 0.9%
20260323 35% 0.8%
20260320 32% 0.8%
20260319 33% 0.8%
20260318 31% 0.8%
20260317 26% 0.7%
20260316 30% 0.8%
20260313 27% 0.7%
20260312 27% 0.7%
20260311 17% 0.6%
20260310 28% 0.7%
20260309 24% 0.7%
20260308 18% 0.6%
20260306 22% 0.7%
20260305 23% 0.7%
20260304 55% 1.1%
20260303 49% 1.0%
20260302 72% 1.3%
20260227 45% 1.0%
20260226 43% 0.9%
20260225 44% 1.0%
20260224 39% 0.9%