This guide explains how to earn and use Valley Stock Bills in Arknights: Endfield, including how to obtain them and the most effective ways to use them.
How to Get Valley Stock Bills
Best Farming and Stock Bills Methods
| How to Obtain | Recommendation |
| ▼[Recommended] Buying and Selling Goods | ★★★ |
| ▼Perform Outpost Trade | ★★・ |
| ▼Delivery from Depot Node | ★★・ |
| ▼Defeat Enemies | ★・・ |
In Arknights: Endfield, Valley Stock Bills are most efficiently obtained by buying and selling Market-Priced Goods. You can also acquire them through Outpost Trade, Delivery missions from the Depot Node, and other sources, so be sure to complete these activities until you reach the limit. Additionally, Valley Stock Bills can be obtained by defeating enemies, allowing you to accumulate them naturally while leveling up.
[Recommended] Buying and Selling Stocks

| Unlock Condition | After Clearing the Lucky Carrot Side Mission |
Although some initial Valley Stock Bills are required, buying and selling Goods is the most efficient way to earn them. When trading, check the Friend Price and take advantage of price differences to Buy Low and Sell High. To maximize profits, select the friend offering the highest purchase price, then go to Dijiang → Stock Redistribution Terminal → Sell Goods.
Check for Discounted Products

Products with a red ▼ are discounted. Selling them on a friend's Dijiang will likely result in a higher price. The cheapest item does not necessarily generate the maximum profit. Pay close attention to the Friend’s Price.
Holding onto Items for Maximum Profit is an Option
The number of items you can purchase is listed in the top left, but it doesn't fully replenish in one day. While making sure not to reach the limit, you can also hold onto items for a few days without selling them, and then sell them on the day when they are likely to fetch the highest price from a friend.
| Point! | The limit increases by leveling up each Lucky Carrot shop! |
|---|
How to Check a Friend’s Price

Select a Goods → Check Friend's Price to see your friends' purchase prices. They are sorted by the highest price, so you only need to look at the percentage number for the friend at the top.
Able to Profit Up to 10x or More if Lucky
Typically, you'll get about 2-3x the price, but depending on when you buy and sell, you can sometimes profit more than 10x. This is a way to increase your Valley Stock Bills all at once, so be sure to check every day if possible.
[With Limit] Perform Outpost Trade

| Unlock Condition | Arrive at Valley Pass |
You can perform Outpost Trade from Menu → Regional Development → Outpost Management. By submitting items from the Valley IV Outpost, you can exchange them for up to the Outpost Trade Limit of Valley Stock Bills. You can also change the trade items, and each trade typically rewards one Valley Stock Bill.
Check the Assignment Effect and Characters
Normal | When Obtaining Extra |
Carefully select the characters to dispatch to the Sub-PAC. We recommend clicking on the characters and choosing one that activates as many Assignment Effects as possible. For example, assigning Antal grants a 20% chance to obtain one additional bill per trade.
Recommended Character: Laevatain

Although she is a limited character who does not appear in the standard gacha, Laevatain is a recommended character. She can exert all three effects obtainable through Outpost trading.
Complete Area Defense for Better Efficiency

The base has an Early Warning Terminal, and when there is an Imminent Incursion, you can challenge the base defense mode. When you complete an Area Defense stage, the production efficiency of Stock Bills increases. In the case of Operator Intervention, the effect is temporary, but if you clear an Auto-Defense stage, the effect is permanent.
AIC is Also Important

To perform Stock Redistribution, you need to produce items using the Automated Industry Complex (AIC). The conversion rate varies by item, and the more difficult an item is to produce, the more Valley Stock Bills you can obtain.
[With Limit] Delivery from the "Depot Node"

From Regional Development → Depot Node, perform tasks such as Packing → Delivery to receive Valley Stock Bills as rewards. Delivery destinations are indicated by a blue circle icon. Be sure to complete these tasks daily.
Accept Commissions from Other Players
At the Depot Node, you can also accept delivery requests from other players. You can get Valley Stock Bills by completing requests up to 3 times a day, so try to accept commissions whenever possible. If requests don't appear, try refreshing the display with the refresh button.
| Point! | During nights and on holidays, requests can be hard to find because many players are trying to accept commissions. If possible, it's recommended to search during the daytime! |
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Defeat Enemies

You can also obtain Valley Stock Bills by defeating enemies, allowing you to earn them in parallel with leveling up.
Exploration Level Increases Valley Stock Bills
Raising the Exploration Level increases enemy difficulty, but also boosts the amount of Valley Stock Bills and experience gained. To increase your Exploration Level, complete Main Quests and Side Missions.
How to Increase Exploration Level
Obtainable Protocol Space First-Time Rewards

You can also obtain Valley Stock Bills as a first-time reward from Menu → Operation Manual → Index → Energy Alluvium.
Uses and Priority for Valley Stock Bills
Valley Stock Bill Exchange Priority
| Use | Priority |
| ▼Stock Redistribution | ★★★★★ You can increase your bills through trading Goods. |
| ▼Automated Industry Complex (AIC) Expansion | ★★★★・ When you need more space in the Automated Industry Complex (AIC) Area |
| ▼Upgrading Facilities, etc. | ★★★・・ Prioritize Facility Leveling and Upgrades |
| ▼Gear Assembly | ★★・・・ Increase Combat Effectiveness |
| ▼Purchasing at Shops, etc. | ★・・・・ |
Goods Trading should be a top priority, as it allows you to spend Valley Stock Bills to generate even more Valley Stock Bills. While optimizing Production Lines in the Automated Industry Complex (AIC), focus on leveling facilities such as the Recycle Station, Stocks Redistribution Terminal, and Depot Node. If you are struggling with character progression, Equipment Manufacturing is also recommended.
Regional Development 'Stock Redistribution'

In the 'Stock Redistribution' section of Regional Development, you can check your friend's prices and earn bills from the price difference. Since you need bills to invest, make sure to save some funds for Stock Redistribution.
Check Fixed-Price Items

The shop also sells important training items at a fixed price, so be sure to buy what you want each day, such as Basic Headhunting tickets. Engraving Permits are valuable items that let you choose the Essence type you obtain from a Severe Energy Alluvium. Although they're expensive, they're recommended for those who haven't made much progress with Essence farming.
Automated Industry Complex (AIC) Expansion

It is used to expand the Automated Industry Complex (AIC) and add a Depot Bus. Building many production lines makes it easier to gather the materials needed for Gear and items for Outpost Trade, making training easier.
Automated Industry Complex (AIC) Guide
Upgrading Facilities, etc.

It is also required for certain upgrades, such as leveling up the Recycle Station, Stock Redistribution Terminal, and Depot Node.
Prioritize leveling up the Stock Redistribution Terminal
| Facility | Priority | Merits |
| Recycling Station | ★★★ | - Increases the amount of Aerospace Material obtained - Unlocks more functions in Dijiang's Manufacturing Cabin and Growth Chamber - Obtain valuable training items |
| Stock Redistribution Terminal | ★★・ | - Adds Staple Goods and Elastic Goods - Increases the limit and daily purchase count |
| Depot Node | ★・・ | - Increases item capacity |
To gather the materials needed for leveling up the Dijiang and for Cabin and Material, it's recommended to first prioritize leveling up the Stock Redistribution Terminal to collect Valley Stock Bills, while also leveling up the Recycling Station to some extent.
Gear Assembly

When crafting gear, Valley Stock Bills are consumed along with other materials.
Gold Gear Especially Consumes a Lot of Valley Stock Bills
Gold Gear also requires Stock Bills when crafting Gear to be used as Progression Material. Since it consumes a considerable amount, be sure to save up Stock Bills when you plan on crafting powerful Gear.
Purchasing at Shops, etc.

In addition to the Lucky Carrot shop, items can be purchased at various shops.It is also possible to purchase Progression Materials that are difficult to obtain in large quantities.
Valley Stock Bills Change by Region
Stock Bill Types Change with Progress
Valley Stock Bills are a currency used exclusively in the Valley IV area. As you progress through the game and move to other regions, such as Wuling, different currencies are required, and Valley Stock Bills cannot be used outside their designated region.
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