Blackline Inc (BL) returns
Blackline returns over 10 years
$1,000 invested in Blackline ten years ago was worth $1,427 at the close on October 30, 2026, with dividends reinvested: an average return of 3.6% a year. The same $1,000 in the S&P 500 (SPY) became $4,166.
Total return by period
| Period | Total return | A year, on average | $1,000 became | S&P 500 (SPY) |
|---|---|---|---|---|
| 1 month | +27.4% | — | $1,274 | -0.9% |
| 3 months | +10.3% | — | $1,103 | +2.1% |
| Year to date | -38.8% | — | $611.50 | +11.7% |
| 1 year | -40.4% | — | $595.88 | +12.4% |
| 3 years | -30.7% | -11.5% | $692.69 | +88.5% |
| 5 years | -73.4% | -23.2% | $266.49 | +76.0% |
| 10 years | +42.7% | +3.6% | $1,427 | +316.6% |
Blackline return by calendar year
| Year | BL | S&P 500 (SPY) | Difference |
|---|---|---|---|
| 2026 to date | -38.8% | +11.7% | -50.5% |
| 2025 | -9.0% | +17.7% | -26.7% |
| 2024 | -2.7% | +24.9% | -27.6% |
| 2023 | -7.2% | +26.2% | -33.4% |
| 2022 | -35.0% | -18.2% | -16.9% |
| 2021 | -22.4% | +28.7% | -51.1% |
| 2020 | +158.7% | +18.4% | +140.3% |
| 2019 | +25.9% | +31.2% | -5.3% |
| 2018 | +24.8% | -4.6% | +29.4% |
| 2017 | +18.7% | +21.7% | -3.0% |
Past returns do not predict future returns. Returns are computed from our daily closes, adjusted for splits and with dividends reinvested on their ex-dates; taxes and trading costs are left out.
See also: BL financials · BL valuation
No forecast, no recommendation. This page describes Blackline Inc from published data; it is not advice to buy, sell or hold any security.
Figures as of the close on Oct 30, 2026 unless a row says otherwise. Prices are split adjusted; returns include dividends reinvested. Data may be delayed. See the disclaimer and how TrendArc works.