Inspire Medical Systems, Inc. (INSP) Stock Price History
Historical prices from 2018 to 2026
- 1M
- +1.9%
- 3M
- -24.5%
- YTD
- -53.8%
- 1Y
- -67.1%
- 3Y
- -48.6%
- 5Y
- -25.5%
Loading 10-year price history...
INSP Historical Performance
INSP Annual Returns
Year-by-year price performance · 2018–2026
- 2018 annual price return
- +69.1%
- 2019 annual price return
- +80.1%
- 2020 annual price return
- +152.5%
- 2021 annual price return
- +26.1%
- 2022 annual price return
- +5.8%
- 2023 annual price return
- -19.6%
- 2024 annual price return
- -1.3%
- 2025 annual price return
- -51.3%
- 2026 annual price return
- -30.1%
INSP Stock Price Trajectory (2018–2026)
As of June 21, 2026, Inspire Medical Systems, Inc. (INSP) trades at $42.61, representing a -67.1% return over the past year. The stock has delivered a -77.1% total return over five years (-25.5% CAGR), reflecting challenging market conditions.
The stock reached its all-time high of $330.00 on July 14, 2023. From this peak, INSP has corrected -87.1%, currently trading 42% below its 200-day moving average, suggesting potential weakness.
When compared to Healthcare sector peers NVCR (-15.0% 1Y), TNDM (-25.0% 1Y), and IRTC (-28.1% 1Y), INSP has underperformed the peer group average. Compare INSP vs NVCR →
INSP Historical Price Data · from 2018
Rows 1–50 of 2,044| Date | Open | High | Low | Close | Volume | Change % |
|---|---|---|---|---|---|---|
| 2026-06-18 | 41.91 | 42.70 | 39.73 | 42.61 | 1.29M | +3.62% |
| 2026-06-17 | 41.10 | 43.00 | 40.65 | 41.12 | 546K | -0.65% |
| 2026-06-16 | 41.29 | 42.22 | 41.00 | 41.39 | 625K | +0.63% |
| 2026-06-15 | 42.57 | 42.99 | 40.56 | 41.13 | 1.03M | -3.68% |
| 2026-06-12 | 42.81 | 44.53 | 42.02 | 42.70 | 966K | +0.61% |
| 2026-06-11 | 41.96 | 42.59 | 40.61 | 42.44 | 716K | +0.38% |
| 2026-06-10 | 41.89 | 43.32 | 41.54 | 42.28 | 565K | +0.17% |
| 2026-06-09 | 41.86 | 43.03 | 41.69 | 42.21 | 584K | +0.64% |
| 2026-06-08 | 40.85 | 42.65 | 40.59 | 41.94 | 710K | +1.82% |
| 2026-06-05 | 42.92 | 43.20 | 41.07 | 41.19 | 725K | -2.37% |
| 2026-06-04 | 41.00 | 42.40 | 41.00 | 42.19 | 799K | +4.25% |
| 2026-06-03 | 40.60 | 40.60 | 38.91 | 40.47 | 655K | -0.27% |
| 2026-06-02 | 40.21 | 41.15 | 39.27 | 40.58 | 885K | -0.64% |
| 2026-06-01 | 41.83 | 42.78 | 40.47 | 40.84 | 1.26M | -1.26% |
| 2026-05-29 | 43.01 | 43.64 | 41.36 | 41.36 | 1.12M | -3.97% |
| 2026-05-28 | 42.23 | 43.84 | 41.40 | 43.07 | 903K | +2.01% |
| 2026-05-27 | 42.06 | 43.37 | 40.99 | 42.22 | 939K | +0.55% |
| 2026-05-26 | 43.47 | 43.51 | 41.98 | 41.99 | 1.42M | -4.22% |
| 2026-05-22 | 42.89 | 44.26 | 42.60 | 43.84 | 136K | -2.01% |
| 2026-05-21 | 43.43 | 44.98 | 42.16 | 44.74 | 1.03M | +1.36% |
| 2026-05-20 | 42.43 | 44.21 | 41.43 | 44.14 | 777K | +3.79% |
| 2026-05-19 | 42.09 | 43.25 | 40.95 | 42.53 | 726K | +1.67% |
| 2026-05-18 | 40.42 | 42.94 | 40.37 | 41.83 | 1.50M | +4.44% |
| 2026-05-15 | 43.30 | 43.94 | 39.61 | 40.05 | 1.60M | -6.12% |
| 2026-05-14 | 42.35 | 43.14 | 41.89 | 42.66 | 912K | +1.77% |
| 2026-05-13 | 43.20 | 44.13 | 41.55 | 41.92 | 1.09M | -4.86% |
| 2026-05-12 | 43.86 | 44.69 | 42.85 | 44.06 | 951K | +1.68% |
| 2026-05-11 | 44.77 | 44.94 | 43.04 | 43.33 | 747K | -2.10% |
| 2026-05-08 | 45.31 | 45.72 | 44.00 | 44.26 | 916K | -2.87% |
| 2026-05-07 | 45.81 | 48.32 | 45.08 | 45.57 | 1.77M | -0.28% |
| 2026-05-06 | 47.84 | 48.40 | 45.43 | 45.70 | 1.89M | -5.28% |
| 2026-05-05 | 47.00 | 48.33 | 44.41 | 48.25 | 1.49M | -12.02% |
| 2026-05-04 | 56.73 | 57.91 | 53.43 | 54.84 | 1.50M | -3.28% |
| 2026-05-01 | 56.05 | 57.52 | 55.22 | 56.70 | 1.07M | +1.00% |
| 2026-04-30 | 54.27 | 56.15 | 52.91 | 56.14 | 977K | +4.99% |
| 2026-04-29 | 54.77 | 55.23 | 52.42 | 53.47 | 643K | -2.98% |
| 2026-04-28 | 55.14 | 56.02 | 54.80 | 55.11 | 608K | +0.07% |
| 2026-04-27 | 55.85 | 56.13 | 54.28 | 55.07 | 438K | -2.20% |
| 2026-04-24 | 56.16 | 57.00 | 55.09 | 56.31 | 664K | -0.07% |
| 2026-04-23 | 54.25 | 56.85 | 53.08 | 56.35 | 1.18M | +3.97% |
| 2026-04-22 | 52.55 | 54.34 | 52.26 | 54.20 | 472K | +4.17% |
| 2026-04-21 | 56.86 | 57.03 | 51.63 | 52.03 | 1.16M | -8.67% |
| 2026-04-20 | 56.80 | 58.53 | 56.00 | 56.97 | 591K | -1.08% |
| 2026-04-17 | 56.99 | 58.23 | 56.37 | 57.59 | 540K | +1.64% |
| 2026-04-16 | 56.71 | 58.13 | 55.92 | 56.66 | 691K | +0.04% |
| 2026-04-15 | 57.09 | 58.94 | 55.67 | 56.64 | 715K | -0.33% |
| 2026-04-14 | 55.33 | 56.92 | 54.34 | 56.83 | 890K | +3.48% |
| 2026-04-13 | 53.97 | 55.38 | 53.34 | 54.92 | 514K | +1.67% |
| 2026-04-10 | 56.00 | 57.10 | 52.95 | 54.02 | 1.39M | -4.71% |
| 2026-04-09 | 52.70 | 58.64 | 51.53 | 56.69 | 1.72M | +6.20% |
Intrinsic Valuation
DCF models, multiple analysis, and analyst estimates.
Historical Returns
10-year return with dividends reinvested.
DCA Calculator
See how regular investing compounds over time.
Peer Comparison
Compare growth, multiples, and margins vs sector.
INSP — Frequently Asked Questions
Quick answers to the most common questions about buying INSP stock.
How has INSP stock performed recently?
INSP declined -67.1% over the past year, below its 5-year annualized CAGR of -25.5%. The stock trades below its 200-day moving average, reflecting the downtrend.
What is INSP's all-time high price?
Inspire Medical Systems, Inc. reached $330.00 on 2023-07-14. The 52-week high is $147.03. Current 1-year return of -67.1% places the stock further from historical peaks.
Where can I download INSP historical price data?
This page provides INSP daily OHLCV data with 50-day MA, 200-day MA, and RSI indicators. Data spans 2018-2026, downloadable in CSV format.