All charts and data below are CPI-U inflation-adjusted and with dividends reinvested. (Why?)

Total Real Returns

AMPL: Total Real Return Chart (Dividends Reinvested, Inflation Adjusted)

AMPL real return snapshot: after CPI-U inflation, AMPL returned +18.06% over the past year and +19.55% YTD, with dividends reinvested. Since Sep. 28, 2021, AMPL is down −78.62% in real purchasing-power return, or −26.94%/yr, and is currently −86.05% below its real total-return high on Nov. 9, 2021.

Data ending Fri Aug. 28, 2026

Growth of $10,000

Tue 2021-09-28💬 to Fri 2026-08-28 Overall
Return 		Exponential
Trendline
AMPL × 		−78.62%
−26.94%/yr 		−24.89%/yr
R2=0.568
Amplitude Inc NASDAQ Common Stock

Growth of $10,000 Summary

Tue 2021-09-28💬 to Fri 2026-08-28 Start
Value 		End
Value
AMPL × 		$10,000.00
2021-09-28 		$2,138.04
2026-08-28

This Year’s Performance

through 2026-08-28

  YTD YoY
AMPL × 		+19.55% +18.06%

Drawdowns

  Current
Drawdown 		Worst
Drawdown
AMPL × 		−86.05%
on 2026-08-28
from 2021-11-09 peak 		−94.47%
on 2026-04-10
from 2021-11-09 peak

Rolling Returns

Period ending Fri 2026-08-28 1 yr 2 yr 3 yr 5 yr 10 yr
AMPL × 		+18.06% +52.29%
+23.41%/yr 		+11.77%
+3.78%/yr 		— —

Annual Returns

Year AMPL
2026 (YTD) +19.55%
2025 +6.90%
2024 −19.38%
2023 +1.89%
2022 −78.57%
2021 −4.97%