θThetaStart free
◆ Layer 2risk medium-high

Automated DCA bot for Arbitrum (ARB/USDT) — non-custodial · 2026

Set up Theta to accumulate Arbitrum — Ethereum's leading optimistic rollup with the highest TVL among L2s — on Binance, Bybit, Coinbase. The bot uses a trade-only key: no withdrawal permission, running straight on your account.

Start free — 30 days, no cardNo automatic charges. Cancel anytime.
⚠️ Crypto involves risk: you may lose part or all of the capital you invest. Theta is not a financial advisor and does not guarantee any return. Only invest what you can afford to lose. WARNING: this coin is rated high risk — higher volatility and a shorter track record. Do your own research before investing.

Why trust it

Trade-only key, no withdrawals

The key reads and trades, and cannot withdraw. If the permissions cannot be confirmed, the connection does not complete.

Never sells at a loss

On its own the bot requires 0.35% above average cost to sell. Selling in the red happens only if you say so.

Free test mode

Simulate with a virtual balance, no time limit, before risking a single real cent.

Grows on its own, public plan

On managed bots, the Pilot climbs a public ladder of coins as the exchange capital grows.

How DCA works on ARB

DCA (Dollar Cost Averaging) buys a fixed amount of ARB at regular intervals — regardless of price.

  1. 1Create an API key on Binance with read-and-trade permission only — no withdrawals.
  2. 2Connect the key in Theta and select the ARB/USDT pair.
  3. 3Pick the "Calm Reserve" preset (pure DCA) or set the interval and amount per order manually.
  4. 4Turn on test mode: Theta simulates the orders with a virtual balance (free, no time limit).
  5. 5Go live: the bot buys Arbitrum automatically at the interval you set.

What changes when you run DCA on Arbitrum

On a layer 2, liquidity tends to be more concentrated and the book thinner than on the network it scales. In practice that means smaller orders fill better: splitting the same contribution into more, smaller buys usually hurts your average less than a few large ones. That is exactly what DCA already does — it is worth sizing each order down.

Risk we classify as medium-high: here the position can stay stuck for months, not weeks. The bot has no stop-loss by design, so it rides the drop holding. If you need that money within a defined horizon, this is not the coin to put it in.

This pair exists on all three exchanges Theta supports, so you can pick by fee, by country or by where you already have an account — without changing strategy.

Exchanges with ARB/USDT

  • ✓binance— ARB/USDT Spot pair available
  • ✓bybit— ARB/USDT Spot pair available
  • ✓coinbase— ARB/USDT Spot pair available

Bot IP for API whitelist: 187.127.30.44

On Bybit, the fee (~0.1%) is charged in the coin you receive; API orders fall outside the MNT-token discount. None of the three exchanges takes custody of your funds — the key is trade-only.

Open an account with our link

Referral links — if you open an account through them, Microforge may earn a commission from the exchange, at no extra cost to you. We checked each program's terms before publishing: none guarantees a bonus for the API the bot needs.

Frequently asked questions

Can Theta withdraw my ARB?
No. You connect Theta to Arbitrum on your Binance, Bybit and Coinbase account with an API key that only has read-and-trade permission — no withdrawal rights. The bot trades the ARB/USDT pair directly on the exchange but cannot move funds off it.
Does DCA guarantee a profit on ARB?
No. DCA smooths your average entry price over time, reducing the impact of volatility. As a Layer 2 coin, Arbitrum — Ethereum's leading optimistic rollup with the highest TVL among L2s — may go up or down; there is no guaranteed return.
What's the recommended minimum to accumulate ARB?
Binance enforces a minimum per order (on Binance, ~5 USDT). In Theta, a real-money bot starts from US$ 100 — a product rule, guarded in code — and Training mode has no minimum. Start small and raise it later without recreating the bot.
Can I accumulate ARB and other coins at once?
Yes. There is a single plan, no tiers, and it includes multiple bots at once — you can accumulate Arbitrum (Layer 2) and other pairs like BTC or ETH simultaneously, each with its own settings.
Does Theta sell my ARB at a loss?
No. The Accumulate (DCA) strategy never sells — it only buys Arbitrum at intervals and holds the position. And if you run Cycle on the same coin, it also never sells at a loss: if ARB drops below cost, it holds and reopens the cycle once price recovers.
Why is ARB rated medium-high risk?
Theta rates coins by risk. As a Layer 2 coin (Ethereum's leading optimistic rollup with the highest TVL among L2s), Arbitrum has a shorter track record or higher volatility than the blue chips — DCA helps smooth entries, but does not remove the risk.

DCA or Cycle: which one is for you?

DCA (Accumulate) buys ARB at intervals and holds — ideal if you just want to stack Arbitrum without worrying about timing. Cycle buys the dip and sells in profit — ideal if you want to realize gains on Arbitrum without ever selling at a loss. Both use the same trade-only key, no withdrawals.

See the ARB Cycle Bot →
Start free — 30 days, no card

No automatic charges. Cancel anytime.

30 days free, no card · then R$ 59/mo (from R$ 97) or R$ 490/yr (from R$ 790) · founder pricing locked until Dec 31, 2026. Outside Brazil: $12/mo (from $19) or $99/yr (from $149). Crypto (USDT): $12 = 1 month, $24 = 3 months, $79 = 1 year.

Prefer to understand first? See Theta →

Other Layer 2 coins

The engine is the same on all of them: it never sells below cost, and the key cannot withdraw.

See also