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 +47.77% over the past year and +42.54% YTD, with dividends reinvested. Since Sep. 28, 2021, AMPL is down −74.51% in real purchasing-power return, or −23.43%/yr, and is currently −83.36% below its real total-return high on Nov. 9, 2021.

Data ending Wed Nov. 11, 2026

Growth of $10,000

Tue 2021-09-28💬 to Wed 2026-11-11 Overall
Return 		Exponential
Trendline
AMPL × 		−74.51%
−23.43%/yr 		−22.11%/yr
R2=0.489
Amplitude Inc NASDAQ Common Stock

Growth of $10,000 Summary

Tue 2021-09-28💬 to Wed 2026-11-11 Start
Value 		End
Value
AMPL × 		$10,000.00
2021-09-28 		$2,549.26
2026-11-11

This Year’s Performance

through 2026-11-11

  YTD YoY
AMPL × 		+42.54% +47.77%

Drawdowns

  Current
Drawdown 		Worst
Drawdown
AMPL × 		−83.36%
on 2026-11-11
from 2021-11-09 peak 		−94.47%
on 2026-04-10
from 2021-11-09 peak

Rolling Returns

Period ending Wed 2026-11-11 1 yr 2 yr 3 yr 5 yr 10 yr
AMPL × 		+47.77% +56.38%
+25.05%/yr 		+52.49%
+15.10%/yr 		−81.32%
−28.51%/yr 		—

Annual Returns

Year AMPL
2026 (YTD) +42.54%
2025 +6.90%
2024 −19.38%
2023 +1.89%
2022 −78.57%
2021 −4.97%