Dollar cost averaging (DCA) in RPD means investing a fixed amount at regular intervals, regardless of share price. This strategy reduces timing risk and builds wealth steadily through market ups and downs.
How This Calculator Works
Our DCA calculator simulates real market conditions using historical price data. It accounts for dividend reinvestment (DRIP), where each dividend payment automatically purchases additional shares. You can adjust the investment amount, frequency, time period, and compare against benchmarks like the S&P 500 and Nasdaq-100.
Same amount invested each month — only the day of purchase changes. How much does intra-month timing actually matter?
Best Timing DCA
StrategyBuy on monthly low
Total Return-79.9%
Final Value$9.7K
Perfectly timed — impossible in practice
Your DCA
StrategyBuy on 1st of month
Total Return-82.1%
Final Value$8.6K
Consistent — no timing needed
Worst Timing DCA
StrategyBuy on monthly high
Total Return-83.2%
Final Value$8.1K
Worst possible — still beats not investing
Best vs Worst gap3.3 pp
Your timing vs best-2.2%
Your timing vs worst+1.1%
If You Keep Investing…
Based on this stock's historical CAGR of -23.8%/yr — put in vs. walk away with.
Your Plan
At $500/mo, this could grow into:
3 Years$18K~1.0x your moneyfrom $18K invested
5 Years$30K~1.0x your moneyfrom $30K invested
10 Years$60K~1.0x your moneyfrom $60K invested
20 Years$120K~1.0x your moneyfrom $120K invested
Compare Other Monthly Amounts
Same CAGR assumption. Use this to pressure-test different monthly commitments.
Monthly
3 Years~1.0x your money
5 Years~1.0x your money
10 Years~1.0x your money
20 Years~1.0x your money
$100/mo
$4K+$0 est. gain
$6K+$0 est. gain
$12K+$0 est. gain
$24K+$0 est. gain
$250/mo
$9K+$0 est. gain
$15K+$0 est. gain
$30K+$0 est. gain
$60K+$0 est. gain
$500/mo
$18K+$0 est. gain
$30K+$0 est. gain
$60K+$0 est. gain
$120K+$0 est. gain
$1,000/mo
$36K+$0 est. gain
$60K+$0 est. gain
$120K+$0 est. gain
$240K+$0 est. gain
* Projection assumes historical CAGR of -23.8% continues. Actual returns will vary.
Your DCA Results by Date
77 purchases
Date
Price
Invested
Portfolio Value
% Gain
Gain ($)
Jan 2, 2020
$57.70
$10,000
$10,000
+0.00%
$0
Feb 3, 2020
$60.94
$10,500
$11,062
+5.35%
$562
Mar 2, 2020
$46.48
$11,000
$8,937
-18.76%
$-2,063
Apr 2, 2020
$37.71
$11,500
$7,751
-32.60%
$-3,749
May 4, 2020
$45.66
$12,000
$9,885
-17.63%
$-2,115
Jun 2, 2020
$50.22
$12,500
$11,372
-9.03%
$-1,128
Jul 2, 2020
$53.40
$13,000
$12,592
-3.14%
$-408
Aug 3, 2020
$59.97
$13,500
$14,641
+8.45%
$1,141
Sep 2, 2020
$67.08
$14,000
$16,877
+20.55%
$2,877
Oct 2, 2020
$59.73
$14,500
$15,528
+7.09%
$1,028
Nov 2, 2020
$62.28
$15,000
$16,691
+11.27%
$1,691
Dec 2, 2020
$76.26
$15,500
$20,937
+35.08%
$5,437
Jan 4, 2021
$89.78
$16,000
$25,149
+57.18%
$9,149
Feb 2, 2021
$91.34
$16,500
$26,086
+58.10%
$9,586
Mar 2, 2021
$78.99
$17,000
$23,059
+35.64%
$6,059
Apr 5, 2021
$77.56
$17,500
$23,141
+32.24%
$5,641
May 3, 2021
$79.88
$18,000
$24,334
+35.19%
$6,334
Jun 2, 2021
$83.52
$18,500
$25,942
+40.23%
$7,442
Jul 2, 2021
$96.68
$19,000
$30,530
+60.69%
$11,530
Aug 2, 2021
$115.60
$19,500
$37,005
+89.77%
$17,505
Sep 2, 2021
$123.26
$20,000
$39,957
+99.78%
$19,957
Oct 4, 2021
$110.75
$20,500
$36,402
+77.57%
$15,902
Nov 2, 2021
$123.04
$21,000
$40,941
+94.96%
$19,941
Dec 2, 2021
$120.18
$21,500
$40,489
+88.32%
$18,989
Jan 3, 2022
$117.75
$22,000
$40,171
+82.59%
$18,171
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Frequently Asked Questions
Common questions about DCA investing in RPD
Investing $500 per month in Rapid7, Inc. (RPD) over the past 6 years would be worth approximately $9K today. That's -82.1% total return on $48K invested, with a -23.8% compound annual growth rate (CAGR).