CSCO (Cisco Systems, Inc. Common Stock (DE))

Historical IV Rank & Volatility Regime

IV Rank measures where CSCO'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 CSCO 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.

CSCO IV Rank Summary
Current
28%
Subdued — neutral to long-vol
30-Day Avg
51%
60-Day Avg
42%
90-Day Avg
37%
90-Day Low
16%
90-Day High
100%
IV Rank is bounded 0%–100% by construction. Sustained levels above 75% historically precede mean reversion in CSCO'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.
CSCO IV Rank — Last 90 Trading Days
DateIV RankAvg IV
20260605 28% 0.5%
20260604 21% 0.4%
20260603 43% 0.5%
20260602 41% 0.5%
20260601 34% 0.5%
20260529 32% 0.5%
20260528 41% 0.5%
20260527 43% 0.5%
20260526 40% 0.5%
20260522 100% 0.8%
20260521 81% 0.7%
20260520 100% 0.7%
20260519 97% 0.7%
20260518 98% 0.7%
20260515 64% 0.6%
20260514 51% 0.5%
20260513 55% 0.5%
20260512 49% 0.5%
20260511 48% 0.5%
20260510 31% 0.4%
20260508 52% 0.5%
20260507 42% 0.5%
20260506 38% 0.4%
20260505 52% 0.5%
20260504 41% 0.4%
20260502 51% 0.5%
20260501 50% 0.5%
20260430 38% 0.4%
20260429 31% 0.4%
20260428 37% 0.4%
20260427 35% 0.4%
20260424 40% 0.5%
20260423 40% 0.5%
20260422 49% 0.5%
20260421 38% 0.5%
20260420 37% 0.4%
20260417 38% 0.4%
20260416 41% 0.5%
20260415 49% 0.5%
20260414 38% 0.5%
20260413 34% 0.4%
20260410 30% 0.4%
20260409 25% 0.4%
20260408 22% 0.4%
20260407 16% 0.3%
20260406 25% 0.4%
20260402 20% 0.4%
20260401 20% 0.4%
20260331 27% 0.4%
20260330 27% 0.4%
20260327 28% 0.4%
20260326 21% 0.4%
20260325 17% 0.3%
20260324 20% 0.4%
20260323 16% 0.4%
20260320 44% 0.6%
20260319 46% 0.6%
20260318 54% 0.6%
20260317 40% 0.5%
20260316 41% 0.5%
20260313 17% 0.4%
20260312 19% 0.4%
20260311 17% 0.4%
20260310 17% 0.4%
20260309 18% 0.4%
20260308 19% 0.4%
20260306 27% 0.4%
20260305 22% 0.4%
20260304 23% 0.4%
20260303 23% 0.4%
20260302 23% 0.4%
20260227 23% 0.4%
20260226 22% 0.4%
20260225 17% 0.4%
20260224 21% 0.4%
20260223 21% 0.4%
20260221 46% 0.6%
20260220 43% 0.5%
20260219 66% 0.7%
20260218 60% 0.7%
20260217 61% 0.7%
20260213 23% 0.4%
20260212 24% 0.4%
20260211 30% 0.5%
20260210 25% 0.4%
20260209 25% 0.4%
20260206 25% 0.4%
20260205 30% 0.5%
20260204 24% 0.4%
20260203 27% 0.4%