玩股撇步(動畫小學堂)  

  • 收帳和銷貨天數如果一直上升, 就要當心了!
  • 存貨在不同時期有不同的意義, 像是滯銷, 或是因為報價回升而屯貨, 或是積極備料, 這都需要去看存貨細項和判斷當時的情況來分辨
  • 當存貨增加時, 還需要注意增加的是不是商品或製成品. 如果是在製品或原物料, 反而有可能是供給不順沒法變製成品又或者是需求旺盛(短期營收趨勢向上)
  • 處在景氣下行的公司當存貨細項-原料和在製品的回升可能代表訂單開始回溫了
  • 當記憶體模組廠, 像是威剛、十銓存貨增加時, 有可能是在增加低價庫存, 代表著景氣循環來到相對低點, 也許就是建立部位的好時機
  • 當存貨提列減損損失,虧損認列在該年度,但是存貨價格回升後,之後年度也會直接回沖增加EPS,這種情況很容易在記憶體模組廠見到
  • 存貨一直增加,但是存貨銷售比沒什麼改變,可以推測是公司因為銷售良好而準備的存貨
  • 當淨營業週期(日)接近於0, 代表公司好像在做無本生意
平均收帳天數和平均銷貨天數-近20季
存貨銷售比
近3年股價
應收帳款周轉率 QoQ YoY存貨周轉率 QoQ YoY平均收帳天數 QoQ YoY平圴銷貨天數 QoQ YoY應付帳款付現天數 QoQ YoY淨營業週期(日) QoQ YoY
24Q3 (20)0.96-8.570.01.04-13.33-25.7195.0110.040.2387.8015.4434.9713.47-1.89-13.71169.3313.917.4
24Q2 (19)1.0515.389.381.206.19-34.4386.34-13.27-9.0876.06-5.6353.2513.738.03-11.02148.67-11.2215.11
24Q1 (18)0.91-5.21-10.781.13-5.83-39.8999.554.912.1180.606.1666.3612.715.04-16.49167.455.537.23
23Q4 (17)0.960.09.091.20-14.29-27.2794.900.12-7.9575.9216.7137.9912.10-22.49-26.44158.7210.0512.04
23Q3 (16)0.960.015.661.40-23.5-34.8894.79-0.18-13.665.0531.0753.615.611.178.4144.2311.674.77
23Q2 (15)0.96-5.88-4.01.83-2.66-33.794.966.944.6949.632.4450.4415.431.38-1.03129.165.8519.48
23Q1 (14)1.0215.9115.911.8813.94-18.6188.80-13.87-14.2448.45-11.9423.0915.22-7.48-43.69122.02-13.875.3
22Q4 (13)0.886.02-5.381.65-23.26-28.26103.10-6.025.5255.0229.9238.7616.4514.24-25.87141.672.9123.02
22Q3 (12)0.83-17.0-24.552.15-22.1-1.83109.7120.9532.8542.3528.371.8814.40-7.63-50.79137.6727.3545.08
22Q2 (11)1.0013.64-5.662.7619.4811.7490.71-12.396.1332.99-16.18-10.5215.59-42.32-57.44108.10-6.7126.11
22Q1 (10)0.88-5.38-6.382.310.43-25.24103.545.976.6839.36-0.7333.627.0321.81-22.31115.880.6326.31
21Q4 (9)0.93-15.4527.42.305.02-18.1597.7118.32-21.2539.65-4.6222.322.19-24.16-8.12115.1621.36-12.99
21Q3 (8)1.103.7759.422.19-11.346.3182.58-3.38-37.3541.5712.75-6.0129.26-20.1236.7394.8910.7-38.64
21Q2 (7)1.0612.7720.452.47-20.066.4785.47-11.94-17.4936.8725.15-5.8536.635.2989.9985.72-6.56-30.57
21Q1 (6)0.9428.7742.423.099.9667.0397.06-21.78-29.8929.46-9.13-40.034.7944.0641.3191.74-30.68-43.69
20Q4 (5)0.735.8-27.02.8136.4114.23124.08-5.8636.8232.42-26.7-12.4324.1512.850.54132.35-14.4127.64
20Q3 (4)0.69-21.590.02.06-11.210.0131.8127.240.044.2312.950.021.4011.00.0154.6425.240.0
20Q2 (3)0.8833.330.02.3225.410.0103.59-25.170.039.16-20.240.019.28-21.690.0123.47-24.210.0
20Q1 (2)0.66-34.00.01.85-24.80.0138.4352.640.049.1032.630.024.622.50.0162.9157.110.0
19Q4 (1)1.000.00.02.460.00.090.690.00.037.020.00.024.020.00.0103.690.00.0
平均收帳天數和平均銷貨天數-近10年
應收帳款周轉率 YoY存貨周轉率 YoY平均收帳天數 YoY平圴銷貨天數 YoY應付帳款付現天數 YoY淨營業週期(日) YoY
2023 (10)3.94-14.355.22-39.4492.6516.8269.9765.313.22-8.51149.4039.38
2022 (9)4.6012.758.62-32.8179.31-11.3342.3348.7414.45-37.15107.1912.94
2021 (8)4.0840.2112.8339.7689.44-28.5728.46-28.4422.99-18.1694.91-30.68
2020 (7)2.91-29.889.18-15.39125.2242.5239.7718.2628.0943.1136.9134.4
2019 (6)4.15-0.2410.85-7.3487.860.133.637.8619.63-9.41101.874.71
2018 (5)4.166.6711.71-0.4387.77-6.231.180.4221.67-24.7697.291.54
2017 (4)3.9071.0511.76-12.9593.57-41.6131.0514.9128.80-30.3795.81-34.34
2016 (3)2.28-21.6513.51-26.38160.2627.6427.0235.8541.3637.32145.9226.52
2015 (2)2.91-16.8618.354.5125.5620.3119.89-4.3330.12-14.19115.3328.07
2014 (1)3.509.3717.5630.95104.36-8.6120.79-23.5935.10-13.6790.05-10.62

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