What is Dollar-Cost Averaging?
Dollar-cost averaging (DCA) means investing a fixed amount at regular intervals regardless of price. Instead of trying to time the market, you buy a little every month - getting more coins when prices are low and fewer when prices are high. Over time, your average cost smooths out.
DCA is often recommended for volatile assets like Bitcoin because it removes the emotional element of trying to pick the "perfect" entry point.
The Setup: $100/Month Starting January 2015
Let's assume you started investing $100 per month in Bitcoin on January 1, 2015. Bitcoin was trading at approximately $313 that day.
You would have invested through:
- 2015-2016: the quiet accumulation years ($200-$800 range)
- 2017: the legendary bull run ($1,000 to $19,783)
- 2018: the brutal crash ($19,783 to $3,200)
- 2019: the slow recovery ($3,200 to $7,100)
- 2020: COVID crash and recovery ($7,100 to $29,000)
- 2021: the double bull run ($29,000 to $68,789 and back)
- 2022: the bear market ($68,789 to $15,500)
- 2023-2024: the recovery ($15,500 to $70,000+)
The Numbers by Year
Here's approximately what your portfolio would have looked like at year-end each year (total invested vs. estimated value):
| Year End | BTC Price | Total Invested | Est. Portfolio Value |
|---|---|---|---|
| Dec 2015 | $430 | $1,200 | ~$2,600 |
| Dec 2016 | $963 | $2,400 | ~$10,400 |
| Dec 2017 | $13,880 | $3,600 | ~$128,000 |
| Dec 2018 | $3,742 | $4,800 | ~$36,500 |
| Dec 2019 | $7,179 | $6,000 | ~$70,600 |
| Dec 2020 | $29,001 | $7,200 | ~$256,000 |
| Dec 2021 | $46,211 | $8,400 | ~$380,000 |
| Dec 2022 | $16,547 | $9,600 | ~$128,000 |
| Dec 2023 | $42,265 | $10,800 | ~$310,000 |
| Mar 2024 | $70,000+ | $11,100 | ~$510,000+ |
Key Observations
The 2017 Peak Was Just the Beginning
Even if you started in 2015, the 2017 bull run was extraordinary. $3,600 invested became approximately $128,000 at the December 2017 peak. That's a 35x return on money invested - but it required patience through 2015 and 2016 when prices barely moved.
The 2018 Bear Market Was Painful But Not Catastrophic
The 2018 crash saw your portfolio fall from $128,000 to $36,500. That's a 71% drawdown from peak - painful. But notice: even at the bottom of 2018, you were still up significantly on your total invested capital of $4,800.
DCA Automatically Buys More During Crashes
During 2018-2019 when prices were low, your $100/month was buying much more Bitcoin. This is DCA's key advantage: you accumulate more coins during bear markets, which pays off when prices recover.
The Total Return
From January 2015 to early 2024, $11,000 total invested became approximately $500,000+. That's roughly a 45x return on total capital invested, achieved not through perfect timing but through mechanical monthly buying.
The Caveat
This analysis uses hindsight. Bitcoin could have failed. The 2018 and 2022 crashes tested every investor. DCA doesn't guarantee profits - it just smooths out the volatility of entry prices. The spectacular returns in this analysis depend entirely on Bitcoin continuing to reach new all-time highs.
Use our Bitcoin ROI calculator to calculate returns from any specific date.