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Inspire Medical Systems INSP 68.1 -3.08 -4.33%

Previous-day view · Fri Oct 30 close. You are previewing the previous trading day. Subscribe to see today live and every other date — Trader is $59/mo. Sign up Sign in

Expected move

October 30, 2026 close · $68.10
Horizon Expected move Typical range 2 in 3 closes 9 in 10 closes
Next session ±2.7% ±$1.85 $66.25 – $69.95 $65.87 – $70.33 $64.12 – $72.08
2 sessions ±3.8% ±$2.58 $65.52 – $70.68 $64.97 – $71.23 $62.54 – $73.66
3 sessions ±4.8% ±$3.25 $64.85 – $71.35 $64.23 – $71.97 $61.19 – $75.01
1 week ±6.1% ±$4.13 $63.97 – $72.23 $63.05 – $73.15 $59.31 – $76.89
2 weeks ±8.5% ±$5.80 $62.30 – $73.90 $60.94 – $75.26 $55.74 – $80.46
3 weeks ±10.5% ±$7.17 $60.93 – $75.27 $59.18 – $77.02 $52.94 – $83.26
1 month ±12.6% ±$8.55 $59.55 – $76.65 $57.44 – $78.76 $49.99 – $86.21
Size, not direction. The 68% and 90% bands held 66–68% and 89–90% of closes in held-out years 2019–2026. INSP reports in 2 sessions; only the horizons marked Earnings include its jump. Draw the cone on the chart →

Volatility premium

Beta
The forecast is for the current session, which this plan does not open.

Earnings: priced against what happened

Average implied move
±15.29%
Average actual move
10.64%
Beyond the implied move
1 / 6
Median IV change
-44.29%
Reaction session Implied Actual Used ATM IV before → after
May 05, 2026 ±20.70% -12.02% 0.58× —
February 12, 2026 ±15.25% -12.55% 0.82× —
August 05, 2025 ±14.70% -32.35% 2.20× —
May 06, 2025 ±13.26% +1.98% 0.15× 94.9% → 61.0%
February 11, 2025 ±11.85% +1.66% 0.14× 85.4% → 47.6%
November 05, 2024 ±15.98% +3.26% 0.20× 115.0% → 54.6%
Reconstructed from archived mid quotes; the straddle covers its expiration, not only the reaction session. These are not option returns. Method and missing reports →