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DCA GDAX

Automated dollar cost averaging for BTC, LTC, BCH and ETH on GDAX.

Setup

If you only have a Coinbase account you'll need to also sign into GDAX. Make sure you have a bank account linked to one of these for ACH transfers.

Procure a GDAX API key for yourself by visiting www.gdax.com/settings/api. Do not share this API key with third parties!

Usage

Build the binary:

$ go build ./

Then run it:

./dcagdax --help
usage: dcagdax --every=EVERY [<flags>]

Flags:
  --help         Show context-sensitive help (also try --help-long and
                 --help-man).
  --coin=BTC     Which coin you want to buy: BTC, LTC, BCH or ETH (default 'BTC').
  --every=EVERY  How often to make purchases, e.g. 1h, 7d, 3w.
  --usd=USD      How much USD to spend on each purchase. If unspecified, the
                 minimum purchase amount allowed will be used.
  --until=UNTIL  Stop executing trades after this date, e.g. 2017-12-31.
  --trade        Actually execute trades.
  --autofund     Automatically initiate ACH deposits.
  --version      Show application version.

Run the dcagdax binary with an environment containing your API credentials:

$ GDAX_SECRET=secret \
  GDAX_KEY=key \
  GDAX_PASSPHRASE=pass \
  ./dcagdax --help

Be aware that if you set your purchase amount near 0.01 BTC (the minimum trade amount) then an upswing in price might prevent you from trading.

FAQ

Q: Why do I not see any trading activity from the bot?

A: If you have other BTC trades on your account, the bot will detect that as a cost-averaged purchase and wait until the next purchase window. This is for people who want to "set it and forget it," not day traders!

Q: Why would I use this instead of Coinbase's recurring purchase feature?

A: The fees on recurring purchases (currently a minimum of $2.99 per purchase!) can add up quickly. This side-steps those costs by automating free ACH deposits into your exchange account & submitting market orders to exchange with BTC.

Q: How should I deploy this?

A: You could run this as a periodic cronjob on your workstation or in the cloud. Just be sure your API key & secret are not made available to anyone else as part of your deployment!

Q: Can this auto-withdraw coins into a cold wallet?

A: Not currently, but pull requests are welcome!

Q: Which coins can I purchase?

A: We support all of GDAX's products: BTC, LTC, BCH and ETH.

Q: Can I buy you a beer?

A: BTC 13N2g3MedU2mc6TzQWEE7kBoTCj6Ajyzpw