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)0.60-16.6746.340.150.0150.0150.5919.36-31.78626.59-0.13-56.12146.4537.94-66.13630.73-2.57-48.14
24Q2 (19)0.7235.8594.590.15114.2925.0126.16-26.05-48.19627.39-50.56-19.25106.17-44.86-76.27647.38-48.0912.96
24Q1 (18)0.53-34.57-41.760.07-46.15-83.72170.6152.0370.031269.1184.32493.51192.5563.85.291247.1782.55849.94
23Q4 (17)0.8197.5662.00.13116.67-51.85112.22-49.16-38.14688.52-51.78100.9117.55-72.81-69.14683.19-43.83376.89
23Q3 (16)0.4110.81-53.930.06-50.0-92.68220.73-9.35115.221427.9283.781186.65432.37-3.36175.781216.28112.232042.85
23Q2 (15)0.37-59.34-47.140.12-72.09-88.24243.51142.6887.21776.97263.36770.26447.38144.63208.62573.09336.51670.39
23Q1 (14)0.9182.089.580.4359.26-57.43100.34-44.69-47.08213.83-37.61138.46182.88-51.98-6.77131.29-8.3658.01
22Q4 (13)0.50-43.82-36.710.27-67.07-85.41181.4276.8957.51342.71208.8597.84380.87142.93162.34143.26152.4650.05
22Q3 (12)0.8927.14-35.040.82-19.61-69.29102.56-21.1554.43110.9824.31225.36156.788.1545.1956.76-23.7859.84
22Q2 (11)0.7045.830.01.020.99-46.03130.07-31.39-0.5289.28-0.4385.85144.96-26.1-29.3674.39-10.47381.57
22Q1 (10)0.48-39.24-36.841.01-45.41-79.13189.5964.658.3189.6782.59376.71196.1635.1218.8883.09335.03414.38
21Q4 (9)0.79-42.34-5.951.85-30.71-72.14115.1873.446.3849.1143.98258.47145.1834.456.3419.10355.69231.18
21Q3 (8)1.3795.71114.062.6741.27-31.8966.41-49.21-53.4334.11-29.047.03107.98-47.38-38.08-7.4771.7312.84
21Q2 (7)0.70-7.8940.01.89-60.95-42.02130.759.18-27.6948.04155.472.25205.2024.36-3.06-26.420.04-795.59
21Q1 (6)0.76-9.5268.894.84-27.1177.29119.7610.61-40.6418.8137.3-43.56165.0020.85-31.84-26.43-81.52-277.57
20Q4 (5)0.8431.25-1.186.6469.3948.88108.27-24.070.8213.70-40.95-32.91136.53-21.718.46-14.56-69.89-854.4
20Q3 (4)0.6428.00.03.9220.250.0142.60-21.140.023.20-16.820.0174.38-17.620.0-8.57-190.510.0
20Q2 (3)0.5011.110.03.2619.410.0180.83-10.360.027.89-16.320.0211.67-12.560.0-2.9557.860.0
20Q1 (2)0.45-47.060.02.73-38.790.0201.7487.860.033.3363.220.0242.0892.310.0-7.00-462.690.0
19Q4 (1)0.850.00.04.460.00.0107.390.00.020.420.00.0125.880.00.01.930.00.0
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)3.0229.060.70-70.59121.01-22.33517.92237.47280.4818.46358.44394.47
2022 (9)2.34-26.882.38-78.54155.8036.8153.47366.19236.7881.4372.49344.72
2021 (8)3.2050.2311.09-12.88113.89-33.6832.9214.82130.51-42.4416.300
2020 (7)2.13-36.6112.73-5.49171.7358.0928.675.79226.7569.9-26.350
2019 (6)3.3615.0713.47118.31108.63-13.027.10-54.22133.46-6.312.28-94.52
2018 (5)2.925.86.1771.87124.86-5.6559.19-41.86142.451.6141.60-55.73
2017 (4)2.76-7.073.59-13.91132.347.82101.8016.42140.1927.2193.96-6.02
2016 (3)2.97-42.994.17-35.45122.7475.0987.4454.73110.2030.7199.98136.36
2015 (2)5.21-24.166.46-27.2570.1031.9256.5137.3984.31-6.6742.30979.08
2014 (1)6.8797.418.8811.753.14-49.441.13-10.3790.34-13.633.92-91.53

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