TIGO (Millicom International Cellular S.A. Common Stock)

Historical IV Rank & Volatility Regime

IV Rank measures where TIGO'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 TIGO 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.

TIGO IV Rank Summary
Current
91%
Elevated — premium selling regime
30-Day Avg
46%
60-Day Avg
46%
90-Day Avg
39%
90-Day Low
2%
90-Day High
95%
IV Rank is bounded 0%–100% by construction. Sustained levels above 75% historically precede mean reversion in TIGO'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.
TIGO IV Rank — Last 90 Trading Days
DateIV RankAvg IV
20260901 91% 1.0%
20260831 54% 0.8%
20260828 95% 1.1%
20260827 72% 0.9%
20260826 52% 0.8%
20260825 48% 0.7%
20260824 29% 0.6%
20260821 21% 0.6%
20260820 56% 0.8%
20260819 42% 0.7%
20260818 49% 0.7%
20260817 43% 0.7%
20260814 32% 0.6%
20260813 19% 0.5%
20260812 39% 0.7%
20260811 45% 0.7%
20260810 31% 0.7%
20260806 36% 0.8%
20260805 57% 0.9%
20260804 53% 0.9%
20260803 51% 0.9%
20260731 50% 0.9%
20260730 41% 0.8%
20260729 52% 0.9%
20260728 44% 0.8%
20260727 38% 0.8%
20260724 42% 0.8%
20260723 37% 0.8%
20260722 41% 0.8%
20260721 35% 0.7%
20260720 33% 0.7%
20260716 36% 0.7%
20260715 35% 0.7%
20260714 35% 0.7%
20260713 32% 0.7%
20260710 28% 0.7%
20260709 31% 0.7%
20260708 32% 0.7%
20260707 28% 0.7%
20260706 24% 0.6%
20260702 71% 1.1%
20260701 66% 1.0%
20260630 66% 1.0%
20260629 62% 1.0%
20260626 68% 1.0%
20260625 65% 1.0%
20260624 63% 1.0%
20260623 58% 1.0%
20260622 51% 0.9%
20260618 48% 0.9%
20260617 42% 0.8%
20260616 42% 0.8%
20260615 49% 0.9%
20260613 41% 0.8%
20260612 49% 0.9%
20260611 51% 0.9%
20260610 46% 0.8%
20260609 43% 0.8%
20260608 47% 0.9%
20260605 36% 0.7%
20260604 34% 0.7%
20260603 43% 0.8%
20260602 33% 0.7%
20260601 36% 0.7%
20260529 37% 0.8%
20260528 43% 0.8%
20260527 37% 0.8%
20260526 31% 0.7%
20260522 17% 0.6%
20260521 7% 0.5%
20260520 10% 0.5%
20260519 6% 0.5%
20260518 8% 0.5%
20260515 28% 0.7%
20260514 2% 0.4%
20260513 4% 0.4%
20260512 27% 0.7%
20260511 19% 0.6%
20260510 24% 0.6%
20260508 11% 0.5%
20260507 9% 0.5%
20260506 12% 0.6%
20260505 11% 0.5%
20260504 9% 0.5%
20260502 54% 1.1%
20260501 47% 1.0%
20260430 27% 0.7%
20260429 41% 0.9%
20260428 30% 0.8%
20260427 41% 0.9%