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
24Q4 (20)2.907.013.571.14-18.57-30.0631.43-6.51-3.279.6522.7542.2692.12-12.7994.0618.96366.29-53.74
24Q3 (19)2.71-15.845.041.40-46.9766.6733.6219.09-4.7964.8988.25-40.19105.6344.034.62-7.1233.08-116.62
24Q2 (18)3.2291.67-2.722.6434.01125.6428.23-47.992.6534.47-25.31-55.673.3411.22-4.38-10.64-130.84-137.43
24Q1 (17)1.68-40.0-41.461.9720.8675.8954.2867.1771.4546.15-17.57-43.2565.9438.916.1734.50-15.83-32.19
23Q4 (16)2.808.538.531.6394.0545.5432.47-8.04-7.8155.99-48.39-31.2847.47-52.99-31.0440.99-4.3-14.32
23Q3 (15)2.58-22.05-18.870.84-28.21-28.2135.3128.423.46108.4939.7539.32100.9731.6474.1542.8350.65-11.67
23Q2 (14)3.3115.339.241.174.4669.5727.50-13.14-8.5577.63-4.54-41.3476.7023.49-4.8728.43-44.12-65.23
23Q1 (13)2.8711.24-1.031.120.053.4231.66-10.110.9681.32-0.18-34.4562.11-9.78-35.2150.886.35-14.56
22Q4 (12)2.58-18.87-41.761.12-4.27-1.7535.2223.1571.381.474.621.6868.8418.73-15.0147.84-1.34143.09
22Q3 (11)3.184.95-17.621.1769.57-8.5928.60-4.8921.3977.87-41.159.5757.98-28.09-31.8648.49-40.7408.28
22Q2 (10)3.034.48-7.620.69-5.48-61.6730.07-4.118.44132.336.67161.4280.63-15.899.7281.7737.311582.51
22Q1 (9)2.90-34.54-36.960.73-35.96-60.5431.3652.5358.62124.0554.83152.895.8618.3547.9159.55202.591374.01
21Q4 (8)4.4314.7736.311.14-10.94-32.1420.56-12.73-26.5280.1212.7347.8581.00-4.817.2619.68106.29195.94
21Q3 (7)3.8617.6816.971.28-28.89-60.4923.56-15.04-14.6171.0740.4153.2885.0915.7833.379.5496.3217.06
21Q2 (6)3.28-28.7-27.591.80-2.7-46.7527.7340.2638.150.623.1687.9773.4913.3939.564.8620.3186.02
21Q1 (5)4.6041.5411.921.8510.12-16.6719.77-29.34-10.7449.07-9.4519.5164.81-14.182.04.04-39.251324.24
20Q4 (4)3.25-1.520.01.68-48.150.027.981.410.054.1993.120.075.5218.370.06.65181.60.0
20Q3 (3)3.30-27.150.03.24-4.140.027.5937.40.028.064.20.063.8021.150.0-8.15-44.250.0
20Q2 (2)4.5310.220.03.3852.250.020.08-9.350.026.93-34.410.052.66-17.120.0-5.65-1612.120.0
20Q1 (1)4.110.00.02.220.00.022.150.00.041.060.00.063.540.00.0-0.330.00.0
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
2024 (10)7.50-25.075.49-23.5448.6633.566.4430.6668.2858.246.826.07
2023 (9)10.01-13.787.1865.8236.4515.9750.85-39.6943.16-41.7844.146.08
2022 (8)11.61-31.994.33-17.9931.4347.0184.3121.9874.135.4541.61105.99
2021 (7)17.07-5.435.28-30.9821.385.7469.1244.8170.304.7520.202304.76
2020 (6)18.0510.877.65-40.6520.22-9.8547.7368.4867.1127.660.840
2019 (5)16.2822.2212.897.1522.43-18.1428.33-6.6652.57-14.14-1.810
2018 (4)13.3213.3612.0312.0127.40-11.7630.35-10.7461.23-6.49-3.480
2017 (3)11.75-20.3410.74-4.1931.0525.5134.004.4565.4816.45-0.430
2016 (2)14.75-15.0311.21-6.5824.7417.6432.557.056.232.21.070
2015 (1)17.3664.3912.00-11.4421.03-39.1530.4212.9655.02-23.6-3.570

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