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systemd/crypto-trader.timer

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+[Unit]
+Description=Run Kraken Crypto Trader Bot on schedule
+Requires=crypto-trader.service
+
+[Timer]
+# Runs at 09:00, 13:00, and 17:00 UTC every day.
+# Adjust times to suit your strategy — the bot is quick (~10s) so running
+# 2–4 times a day is a reasonable frequency for a daily momentum strategy.
+OnCalendar=*-*-* 09:00:00 UTC
+OnCalendar=*-*-* 13:00:00 UTC
+OnCalendar=*-*-* 17:00:00 UTC
+
+# If the system was off at a scheduled time, run once when it comes back up
+Persistent=true
+
+# Randomise start time by up to 60 seconds to avoid thundering-herd issues
+# if you run multiple bots (safe to remove if you only have one)
+RandomizedDelaySec=60
+
+[Install]
+WantedBy=timers.target