Dollar cost averaging (DCA) in MRSN 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.
More MRSN Analysis
MRSN DCA Calculator
Dollar Cost Averaging — Mersana Therapeutics, Inc.
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-26.4%
Final Value$33.9K
Perfectly timed — impossible in practice
Your DCA
StrategyBuy on 1st of month
Total Return-37.5%
Final Value$28.7K
Consistent — no timing needed
Worst Timing DCA
StrategyBuy on monthly high
Total Return-48.5%
Final Value$23.7K
Worst possible — still beats not investing
Best vs Worst gap22.2 pp
Your timing vs best-11.2%
Your timing vs worst+11.0%
If You Keep Investing…
Based on this stock's historical CAGR of -7.5%/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+$0 est. gain
* Projection assumes historical CAGR of -7.5% continues. Actual returns will vary.
Your DCA Results by Date
73 purchases
Date
Price
Invested
Portfolio Value
% Gain
Gain ($)
Jan 2, 2020
$134.00
$10,000
$10,000
+0.00%
$0
Feb 3, 2020
$181.25
$10,500
$14,026
+33.58%
$3,526
Mar 2, 2020
$226.50
$11,000
$18,028
+63.89%
$7,028
Apr 2, 2020
$134.50
$11,500
$11,205
-2.56%
$-295
May 4, 2020
$220.75
$12,000
$18,891
+57.42%
$6,891
Jun 2, 2020
$543.50
$12,500
$47,010
+276.08%
$34,510
Jul 2, 2020
$552.50
$13,000
$48,289
+271.45%
$35,289
Aug 3, 2020
$516.50
$13,500
$45,642
+238.09%
$32,142
Sep 2, 2020
$463.00
$14,000
$41,415
+195.82%
$27,415
Oct 2, 2020
$443.50
$14,500
$40,170
+177.04%
$25,670
Nov 2, 2020
$461.75
$15,000
$42,323
+182.16%
$27,323
Dec 2, 2020
$588.50
$15,500
$54,441
+251.23%
$38,941
Jan 4, 2021
$663.00
$16,000
$61,833
+286.46%
$45,833
Feb 2, 2021
$525.50
$16,500
$49,509
+200.06%
$33,009
Mar 2, 2021
$480.25
$17,000
$45,746
+169.10%
$28,746
Apr 5, 2021
$451.75
$17,500
$43,531
+148.75%
$26,031
May 3, 2021
$394.25
$18,000
$38,491
+113.84%
$20,491
Jun 2, 2021
$357.50
$18,500
$35,403
+91.37%
$16,903
Jul 2, 2021
$336.50
$19,000
$33,823
+78.02%
$14,823
Aug 2, 2021
$281.75
$19,500
$28,820
+47.79%
$9,320
Sep 2, 2021
$361.75
$20,000
$37,503
+87.52%
$17,503
Oct 4, 2021
$228.00
$20,500
$24,137
+17.74%
$3,637
Nov 2, 2021
$235.00
$21,000
$25,378
+20.85%
$4,378
Dec 2, 2021
$166.00
$21,500
$18,427
-14.29%
$-3,073
Jan 3, 2022
$161.00
$22,000
$18,372
-16.49%
$-3,628
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Frequently Asked Questions
Common questions about DCA investing in MRSN
Investing $500 per month in Mersana Therapeutics, Inc. (MRSN) over the past 6 years would be worth approximately $29K today. That's -37.5% total return on $46K invested, with a -7.5% compound annual growth rate (CAGR).