Dollar cost averaging (DCA) in DYN 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+30.1%
Final Value$57.2K
Perfectly timed — impossible in practice
Your DCA
StrategyBuy on 1st of month
Total Return+14.8%
Final Value$49.9K
Consistent — no timing needed
Worst Timing DCA
StrategyBuy on monthly high
Total Return+1.1%
Final Value$44.5K
Worst possible — still beats not investing
Best vs Worst gap28.9 pp
Your timing vs best-15.3%
Your timing vs worst+13.6%
If You Keep Investing…
Based on this stock's historical CAGR of 2.5%/yr — put in vs. walk away with.
Your Plan
At $500/mo, this could grow into:
3 Years$19K~1.0x your moneyfrom $18K invested
5 Years$32K~1.1x your moneyfrom $30K invested
10 Years$68K~1.1x your moneyfrom $60K invested
20 Years$155K~1.3x 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~1.1x your money
10 Years~1.1x your money
20 Years~1.3x your money
$100/mo
$4K+$132 est. gain
$6K+$376 est. gain
$14K+$2K est. gain
$31K+$7K est. gain
$250/mo
$9K+$329 est. gain
$16K+$940 est. gain
$34K+$4K est. gain
$77K+$17K est. gain
$500/mo
$19K+$658 est. gain
$32K+$2K est. gain
$68K+$8K est. gain
$155K+$35K est. gain
$1,000/mo
$37K+$1K est. gain
$64K+$4K est. gain
$136K+$16K est. gain
$309K+$69K est. gain
* Projection assumes historical CAGR of 2.5% continues. Actual returns will vary.
Your DCA Results by Date
68 purchases
Date
Price
Invested
Portfolio Value
% Gain
Gain ($)
Sep 17, 2020
$23.90
$10,000
$10,000
+0.00%
$0
Oct 19, 2020
$17.15
$10,500
$7,676
-26.90%
$-2,824
Nov 17, 2020
$19.00
$11,000
$9,004
-18.15%
$-1,996
Dec 17, 2020
$20.24
$11,500
$10,091
-12.25%
$-1,409
Jan 19, 2021
$28.96
$12,000
$14,939
+24.49%
$2,939
Feb 17, 2021
$18.62
$12,500
$10,105
-19.16%
$-2,395
Mar 17, 2021
$16.57
$13,000
$9,493
-26.98%
$-3,507
Apr 19, 2021
$17.88
$13,500
$10,743
-20.42%
$-2,757
May 17, 2021
$17.98
$14,000
$11,303
-19.26%
$-2,697
Jun 17, 2021
$21.58
$14,500
$14,066
-2.99%
$-434
Jul 19, 2021
$19.69
$15,000
$13,334
-11.10%
$-1,666
Aug 17, 2021
$16.58
$15,500
$11,728
-24.33%
$-3,772
Sep 17, 2021
$16.00
$16,000
$11,818
-26.14%
$-4,182
Oct 18, 2021
$14.18
$16,500
$10,974
-33.49%
$-5,526
Nov 17, 2021
$14.91
$17,000
$12,039
-29.18%
$-4,961
Dec 17, 2021
$12.55
$17,500
$10,633
-39.24%
$-6,867
Jan 18, 2022
$8.12
$18,000
$7,380
-59.00%
$-10,620
Feb 17, 2022
$7.42
$18,500
$7,244
-60.85%
$-11,256
Mar 17, 2022
$9.08
$19,000
$9,364
-50.72%
$-9,636
Apr 18, 2022
$8.82
$19,500
$9,596
-50.79%
$-9,904
May 17, 2022
$6.21
$20,000
$7,256
-63.72%
$-12,744
Jun 17, 2022
$5.94
$20,500
$7,441
-63.70%
$-13,059
Jul 18, 2022
$9.68
$21,000
$12,626
-39.88%
$-8,374
Aug 17, 2022
$11.75
$21,500
$15,826
-26.39%
$-5,674
Sep 19, 2022
$13.98
$22,000
$19,329
-12.14%
$-2,671
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Frequently Asked Questions
Common questions about DCA investing in DYN
Investing $500 per month in Dyne Therapeutics, Inc. (DYN) over the past 6 years would be worth approximately $50K today. That's +14.8% total return on $44K invested, with a +2.5% compound annual growth rate (CAGR).